TY  - JOUR
AU  - K. B. Sabitov
TI  - Uniqueness of the solution of the Frankl' problem for equations of mixed type
JO  - Differencialʹnye uravneniâ
PY  - 1988
SP  - 904
EP  - 906
VL  - 24
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1988_24_5_a25/
LA  - ru
ID  - DE_1988_24_5_a25
ER  -