Approximation by families of linear trigonometric polynomial operators and smoothness properties of functions
2011 ◽
Vol 284
(11-12)
◽
pp. 1523-1537
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1974 ◽
Vol 5
(6)
◽
pp. 908-917
◽
1999 ◽
Vol 31
(11)
◽
pp. 79-85
2015 ◽
Vol 13
(2)
◽
pp. 841-855
◽
1990 ◽
Vol 42
(2)
◽
pp. 253-266
◽
Keyword(s):
Keyword(s):