@article{DE_1979_15_12_a7,
     author = {O. N. Kozlova},
     title = {Summability of weak positive solutions of certain degenerate systems of partial differential equations in the case of a weighted scalar product},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2168--2173},
     publisher = {mathdoc},
     volume = {15},
     number = {12},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1979_15_12_a7/}
}