TY  - JOUR
TI  - Sessions of the Petrovskii Seminar on Differential Equations and Mathematical Problems of Physics
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1976
VL  - 31
IS  - 3
UR  - http://geodesic.mathdoc.fr/item/RM_1976_31_3_a23/
LA  - ru
ID  - RM_1976_31_3_a23
ER  -