@article{DE_1982_18_4_a21,
     author = {I. V. Korolev},
     title = {The behavior of nonnegative solutions of second-order parabolic equations near the boundary of the domain},
     journal = {Differencialʹnye uravneni\^a},
     pages = {706--708},
     publisher = {mathdoc},
     volume = {18},
     number = {4},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1982_18_4_a21/}
}