TY  - JOUR
AU  - A. G. Kuz'min
TI  - Boundary value problems for equations of mixed type with characteristics that cross the line of degeneracy twice.~II
JO  - Differencialʹnye uravneniâ
PY  - 1975
SP  - 2273
EP  - 2275
VL  - 11
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1975_11_12_a20/
LA  - ru
ID  - DE_1975_11_12_a20
ER  -