Approximating Properties of Biharmonic Poisson Integrals in the Classes W β r H α $$ {W}_{\beta}^r{H}^{\alpha } $$
Crossref DOI link: https://doi.org/10.1007/s11253-017-1323-9
Published Online: 2017-05-06
Published Print: 2017-04
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Kal’chuk, I. V.
Kharkevych, Yu. I.
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