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A.</span> ; <span style=\"font-variant:small-caps;\">Publ. House of the Bulgarian Academy of Sciences</span> (Hrsg.): <i>Constructive Theory of Functions, Proc. Conf. Varna 1991</i>. Sofia, 1992, S. 77–83","short":"C. Cottin, in: K.G. Ivanov, P.P. Petrushev, B.H. Sendov, V.A. Popov, Publ. House of the Bulgarian Academy of Sciences (Eds.), Constructive Theory of Functions, Proc. Conf. Varna 1991, Sofia, 1992, pp. 77–83.","chicago":"Cottin, Claudia. “A Jackson-Type Theorem on Approximation by Bounded Trigonometric Blending Polynomials.” In <i>Constructive Theory of Functions, Proc. Conf. Varna 1991</i>, edited by K.G. Ivanov, P.P. Petrushev, B.H. Sendov, V.A. Popov, and Publ. House of the Bulgarian Academy of Sciences, 77–83. Sofia, 1992.","ama":"Cottin C. A Jackson-type theorem on approximation by bounded trigonometric blending polynomials. In: Ivanov KG, Petrushev PP, Sendov BH, Popov VA, Publ. House of the Bulgarian Academy of Sciences, eds. <i>Constructive Theory of Functions, Proc. 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