@article{DAN_1957_115_5_a1,
     author = {A. S. Kalashnikov},
     title = {On the first boundary value problem for equations expressing one-dimensional unsteady percolation},
     journal = {Doklady Akademii Nauk},
     pages = {858--861},
     publisher = {mathdoc},
     volume = {115},
     number = {5},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_115_5_a1/}
}