TY  - JOUR
AU  - V. F. Ral'chenko
TI  - Qualitative properties of solutions of a mixed problem
JO  - Differencialʹnye uravneniâ
PY  - 1979
SP  - 1491
EP  - 1502
VL  - 15
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1979_15_8_a14/
LA  - ru
ID  - DE_1979_15_8_a14
ER  -