TY - JOUR AU - O. N. Kozlova TI - Summability of weak positive solutions of certain degenerate systems of partial differential equations in the case of a weighted scalar product JO - Differencialʹnye uravneniâ PY - 1979 SP - 2168 EP - 2173 VL - 15 IS - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1979_15_12_a7/ LA - ru ID - DE_1979_15_12_a7 ER -