@article{DE_1972_8_9_a11,
     author = {L. P. Kuptsov},
     title = {The fundamental solutions of a certain class of elliptic-parabolic second order equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1649--1660},
     publisher = {mathdoc},
     volume = {8},
     number = {9},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1972_8_9_a11/}
}