TY  - JOUR
AU  - A. S. Kalashnikov
AU  - O. A. Oleinik
TI  - I. G. Petrovskii Seminar on Differential Equations and the Mathematical Problems of Physics
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1973
VL  - 28
IS  - 5
UR  - http://geodesic.mathdoc.fr/item/RM_1973_28_5_a25/
LA  - ru
ID  - RM_1973_28_5_a25
ER  -