@article{1163,
  author       = {Pannenberg, Markus and Büchel, Felix},
  journal      = {Mitteilungen aus der Arbeitsmarkt- und Berufsforschung},
  pages        = {158--167},
  publisher    = {W. Kohlhammer GmbH},
  title        = {{Erwerbsbiographische Folgerisiken von Kurzarbeit und Arbeitslosigkeit. Eine empirische Analyse für Ostdeutschland}},
  volume       = {25},
  year         = {1992},
}

@inproceedings{5658,
  author       = {Cottin, Claudia},
  booktitle    = {Function Spaces, Proc. Conf. Poznan 1989},
  pages        = {152--161},
  publisher    = {Teubner},
  title        = {{Approximation by bounded pseudo-polynomials}},
  year         = {1991},
}

@inproceedings{5738,
  author       = {Anastassiou, Claudia and Cottin, Claudia and Gonska, Heiner},
  booktitle    = {Israel Mathematical Conference Proceedings, Vol. IV},
  editor       = {Baron, S. and Leviatan, D.},
  pages        = {31--44},
  title        = {{Global smoothness preservation by multivariate approximation operators}},
  year         = {1991},
}

@article{4480,
  author       = {Anastassiou, George A. and Cottin, Claudia and Gonska, Heinz H.},
  issn         = {2196-6753},
  journal      = {Analysis},
  number       = {1},
  publisher    = {Walter de Gruyter GmbH},
  title        = {{Global smoothness of approximating functions}},
  doi          = {10.1524/anly.1991.11.1.43},
  volume       = {11},
  year         = {1991},
}

@inproceedings{5659,
  author       = {Cottin, Claudia and van Damme, Ruud},
  booktitle    = {The Mathematics of Surfaces III, Proc. Conf. Bath 1990},
  editor       = {Handscomb, David Christopher },
  isbn         = {978-0198536291},
  location     = {Bath},
  publisher    = {Oxford University Press},
  title        = {{3D reconstruction of closed objects by piecewise cubic Bézier patches}},
  year         = {1990},
}

@article{5639,
  author       = {Cottin, Claudia},
  issn         = {1432-1823},
  journal      = {Mathematische Zeitschrift},
  number       = {1},
  pages        = {69--83},
  publisher    = {Springer Science and Business Media LLC},
  title        = {{Mixed K-functionals: A measure of smoothness for blending-type approximation}},
  doi          = {10.1007/BF02570860},
  volume       = {204},
  year         = {1990},
}

@inproceedings{5657,
  author       = {Cottin, Claudia},
  booktitle    = {Approximation Theory VI, Proc. Conf. College Station (Texas)},
  editor       = {Chui, C. K. and Schumaker, Larry L. and Ward, J. D. },
  location     = {Texas A & M University},
  pages        = {149--152},
  publisher    = {Academic Press},
  title        = {{Inverse theorems for blending-type approximation}},
  year         = {1989},
}

@article{5653,
  author       = {Badea, C. and Badea, Irinel Adriana and Cottin, Claudia},
  journal      = {Revue d'Analyse Numérique et de la Théorie de l'Approximation},
  pages        = {7--17},
  title        = {{A Korovkin-type theorem for generalizations of Boolean sum operators and approximation by trigonometric pseudopolynomials}},
  volume       = {17},
  year         = {1988},
}

@phdthesis{5691,
  author       = {Cottin, Claudia},
  title        = {{Quantitative Aussagen zur Blending-Typ-Approximation}},
  year         = {1988},
}

@article{5645,
  author       = {Badea, Catalin and Badea, Ioan and Cottin, Claudia and Gonska, Heinz H.},
  journal      = {Journal of Approximation Theory and its Applications},
  pages        = {95--108},
  title        = {{Notes on degree of approximation of B-continuous and B-differentiable functions.}},
  volume       = {4},
  year         = {1988},
}

@article{4779,
  author       = {Vassilevski, P. S. and Petrova, Svetozara},
  journal      = {Comptes Rendus de l’Academie Bulgare des Sciences},
  number       = {7},
  pages        = {33--36},
  title        = {{A note on construction of preconditioners in solving 3D elliptic problems by substructuring}},
  volume       = {41},
  year         = {1988},
}