TY  - JOUR
AU  - A. V. Krylov
TI  - Interior averaging of first-order partial differential systems
JO  - Matematičeskie zametki
PY  - 1989
SP  - 112
EP  - 113
VL  - 46
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1989_46_6_a16/
LA  - ru
ID  - MZM_1989_46_6_a16
ER  -