@article{SM_1982_43_4_a1,
     author = {A. M. Meirmanov},
     title = {On~a~problem with free boundary for parabolic equations},
     journal = {Sbornik. Mathematics},
     pages = {473--484},
     year = {1982},
     volume = {43},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1982_43_4_a1/}
}