TY  - JOUR
AU  - A. R. Abdulgamidov
TI  - Certain questions of the convergence and summability of orthogonal expansions of functions of two variables
JO  - Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki
PY  - 1969
SP  - 3
EP  - 29
VL  - 129
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/UZKU_1969_129_3_a0/
LA  - ru
ID  - UZKU_1969_129_3_a0
ER  -