TY  - JOUR
AU  - I. U. Zulkarnaev
TI  - Solution of a boundary value problem for Poisson and Laplace equations with boundary conditions of the fourth kind on concentric boundaries of constant radius
JO  - Differencialʹnye uravneniâ
PY  - 1990
SP  - 351
EP  - 353
VL  - 26
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1990_26_2_a23/
LA  - ru
ID  - DE_1990_26_2_a23
ER  -