@article{DE_1996_32_5_a9,
     author = {V. N. Samokhin},
     title = {On a class of equations that generalize equations of polytropic filtration},
     journal = {Differencialʹnye uravneni\^a},
     pages = {643--651},
     year = {1996},
     volume = {32},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1996_32_5_a9/}
}