TY  - JOUR
AU  - A. V. Bitsadze
TI  - On the theory of a class of nonlinear partial differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1977
SP  - 1993
EP  - 2008
VL  - 13
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1977_13_11_a10/
LA  - ru
ID  - DE_1977_13_11_a10
ER  -