TY  - JOUR
AU  - O. A. Oleinik
AU  - E. V. Radkevich
TI  - On~the analyticity of solutions of linear partial differential equations
JO  - Sbornik. Mathematics
PY  - 1973
SP  - 581
EP  - 596
VL  - 19
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1973_19_4_a4/
LA  - en
ID  - SM_1973_19_4_a4
ER  -