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ON THE LIMITABILITY OF SOLUTIONS OF SOME DIFFERENCE EQUATIONS 被引量:1
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作者 l.rempulska B.Szmanda 《Acta Mathematica Scientia》 SCIE CSCD 1997年第1期64-68,共5页
We investigate limitability by the Cesaio (C, 1) and the Abel (A) methods of solutions of some third and fourth order difference equations. Also some results contained in [2],[3] are improved.
关键词 difference equation (C 1)-limitability (A)-limitability
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APPROXIMATION BY SOME OPERATORS OF SZASZ-MIRAKYAN TYPE
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作者 l.rempulska Z.Walczak 《Analysis in Theory and Applications》 2004年第1期1-15,共15页
In this paper we give theorems on the degree of approximation of functions of one and two variables by certain operators of the Szasz-Mirakyan type.
关键词 Szasz-Mirakyan operator approximation theorem polynomial weighted space
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