Levchenko, D.A., Oles Honchar Dnipropetrovsk National University, Ukraine
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Vol 21 (2013) - Articles
Inequalities of Jackson type for ridge and polynomial approximation of harmonic functions
Abstract PDF (Русский) -
Vol 20 (2012) - Articles
The best approximation of certain unbounded operators on classes of multivariable functions
Abstract PDF (Русский)
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ISSN (Online): 2664-5009
ISSN (Print): 2664-4991
