@article{DE_1989_25_5_a16,
     author = {T. P. Rudneva},
     title = {An initial-boundary value problem for a degenerate parabolic equation with a variable time direction},
     journal = {Differencialʹnye uravneni\^a},
     pages = {867--875},
     publisher = {mathdoc},
     volume = {25},
     number = {5},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1989_25_5_a16/}
}