Bugaets, V.P., Dnipropetrovsk State University, Ukraine
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No 1 (1967) - Articles
On approximation of two-variable function by linear positive polynomial operators
Abstract PDF (Русский) -
No 2 (1969) - Articles
On the best approximation of two-variable functions of class $$$Z_2$$$ by some linear operators
Abstract PDF (Русский)
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ISSN (Online): 2664-5009
ISSN (Print): 2664-4991
