共 50 条
[43]
Pointwise Characterizations of Even Order Sobolev Spaces via Derivatives of Ball Averages
[J].
CANADIAN MATHEMATICAL BULLETIN-BULLETIN CANADIEN DE MATHEMATIQUES,
2019, 62 (03)
:681-699
[44]
Approximation of Functions by Fourier - Haar Sums in Weighted Variable Lebesgue and Sobolev Spaces
[J].
IZVESTIYA SARATOVSKOGO UNIVERSITETA NOVAYA SERIYA-MATEMATIKA MEKHANIKA INFORMATIKA,
2014, 14 (03)
:295-304