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  - 1974
VL  - 29
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1974_29_6_a21/
LA  - ru
ID  - RM_1974_29_6_a21
ER  -