@misc{ZVMMF_1980_20_3_a0,
     title = {Vitali {Arsenievich} {Ditkin} (on the occasion of his 70th birthday)},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {547--549},
     publisher = {mathdoc},
     volume = {20},
     number = {3},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1980_20_3_a0/}
}