TY  - JOUR
AU  - E. V. Romashevskaya
TI  - Singular cases of the Darboux problem for a~system of equations of the type of the Tricomi equations
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1983
SP  - 73
EP  - 75
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1983_12_a15/
LA  - ru
ID  - IVM_1983_12_a15
ER  -