TY  - JOUR
AU  - O. F. Mikulina
TI  - Expansion in the eigenfunctions of a second order partial differential equation of polar type in the case of the whole plane
JO  - Differencialʹnye uravneniâ
PY  - 1974
SP  - 550
EP  - 552
VL  - 10
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1974_10_3_a19/
LA  - ru
ID  - DE_1974_10_3_a19
ER  -