@article{DE_1980_16_1_a16,
     author = {R. N. Khubiev},
     title = {An analogue of the {Stefan} problem for a hyperbolic-parabolic equation with an unknown line of change of type},
     journal = {Differencialʹnye uravneni\^a},
     pages = {145--149},
     publisher = {mathdoc},
     volume = {16},
     number = {1},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1980_16_1_a16/}
}