TY  - JOUR
AU  - A. A. Orel
TI  - The application of variational methods to the solution of boundary value problems for equations of mixed type in transonic gas dynamics
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1972
SP  - 76
EP  - 83
IS  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1972_9_a10/
LA  - ru
ID  - IVM_1972_9_a10
ER  -