@article{DE_1978_14_3_a10,
     author = {L. I. Vainerman},
     title = {A second order degenerate elliptic equation in {Hilbert} space},
     journal = {Differencialʹnye uravneni\^a},
     pages = {482--491},
     publisher = {mathdoc},
     volume = {14},
     number = {3},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1978_14_3_a10/}
}