@article{PDM_2020_2_a9,
     author = {S. B. Gashkov and I. S. Sergeev},
     title = {On the meaning of works by {V.} {M.} {Khrapchenko}},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {109--124},
     publisher = {mathdoc},
     number = {2},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2020_2_a9/}
}