TY - JOUR AU - V. G. Maz'ya AU - G. I. Kresin TI - On the maximum principle for strongly elliptic and parabolic second order systems with constant coefficients JO - Sbornik. Mathematics PY - 1986 SP - 457 EP - 479 VL - 53 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1986_53_2_a10/ LA - en ID - SM_1986_53_2_a10 ER -