%0 Journal Article %A A. I. Vaindiner %T On estimation of the remainder of a generalized Fourier series for differentiable functions of two variables %J Doklady Akademii Nauk %D 1969 %P 511-513 %V 184 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_184_3_a0/ %G ru %F DAN_1969_184_3_a0