TY  - JOUR
AU  - E. G. Sitnikova
TI  - A boundary value problem in the disk
JO  - Differencialʹnye uravneniâ
PY  - 1991
SP  - 711
EP  - 713
VL  - 27
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1991_27_4_a23/
LA  - ru
ID  - DE_1991_27_4_a23
ER  -