TY  - JOUR
AU  - L. A. Kamynin
AU  - B. N. Khimchenko
TI  - On a~weak (algebraic) extremum principle for a~second-order parabolic system
JO  - Izvestiya. Mathematics 
PY  - 1997
SP  - 933
EP  - 959
VL  - 61
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1997_61_5_a1/
LA  - en
ID  - IM2_1997_61_5_a1
ER  -