@article{DAN_1958_123_5_a4,
     author = {E. M. Landis},
     title = {Relationship between the growth of the solution of a parabolic equation and the number of its sign alternations},
     journal = {Doklady Akademii Nauk},
     pages = {787--790},
     publisher = {mathdoc},
     volume = {123},
     number = {5},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_123_5_a4/}
}