@article{DE_1975_11_5_a24,
     author = {A. N. Tikhonov and A. A. Samarskii and A. S. Il'inskii},
     title = {Alekse{\v\i} {Georgievi{\v{c}}} {Sve{\v} s}nikov (on the occasion of his fiftieth birthday)},
     journal = {Differencialʹnye uravneni\^a},
     pages = {942--945},
     publisher = {mathdoc},
     volume = {11},
     number = {5},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1975_11_5_a24/}
}