@article{DAN_1957_117_4_a3,
     author = {Rudolf V\'yborn\'y},
     title = {The properties of the solutions of certain boundary problems for parabolic equations},
     journal = {Doklady Akademii Nauk},
     pages = {563--565},
     publisher = {mathdoc},
     volume = {117},
     number = {4},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_117_4_a3/}
}