@article{DAN_1962_142_4_a10,
     author = {A. P. Ershov},
     title = {Reduction of the problem of memory allocation in programming to the problem of coloring the vertices of graphs},
     journal = {Doklady Akademii Nauk},
     pages = {785--787},
     publisher = {mathdoc},
     volume = {142},
     number = {4},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_142_4_a10/}
}