@article{DAN_1980_251_4_a15,
     author = {V. A. Galaktionov},
     title = {Two methods of comparing solutions of parabolic equations},
     journal = {Doklady Akademii Nauk},
     pages = {832--835},
     publisher = {mathdoc},
     volume = {251},
     number = {4},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_251_4_a15/}
}