@article{DE_1979_15_7_a0,
     author = {A. N. Tikhonov and A. V. Bitsadze and N. P. Erugin and A. A. Arsen'ev and V. A. Il'in and A. G. Sveshnikov and Yu. P. Popov},
     title = {Aleksandr {Andreevi{\v{c}}} {Samarski{\v\i}} (on the occasion of his 60th birthday)},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1155--1163},
     publisher = {mathdoc},
     volume = {15},
     number = {7},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1979_15_7_a0/}
}