TY  - JOUR
AU  - A. I. Subbotin
AU  - N. N. Subbotina
TI  - Piecewise-smooth solutions of first-order partial differential
JO  - Doklady Akademii Nauk
PY  - 1993
SP  - 705
EP  - 707
VL  - 333
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1993_333_6_a4/
LA  - ru
ID  - DAN_1993_333_6_a4
ER  -