Strong approximation of Fourier series and structural properties of functions
1979 ◽
Vol 33
(1-2)
◽
pp. 105-125
◽
1973 ◽
Vol 24
(1-2)
◽
pp. 223-227
◽
1980 ◽
Vol 35
(1-2)
◽
pp. 151-172
◽
2018 ◽
Vol 90
(2)
◽
pp. 8-17