TY  - JOUR
AU  - O. A. Oleǐnik
AU  - E. V. Radkevič
TI  - Conditions for the existence of nonanalytic solutions of linear partial differential equations of arbitrary order
JO  - Trudy Moskovskogo matematičeskogo obŝestva
PY  - 1974
SP  - 17
EP  - 33
VL  - 31
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MMO_1974_31_a1/
LA  - ru
ID  - MMO_1974_31_a1
ER  -