@article{DE_1989_25_12_a0,
     author = {A. A. Arsen'ev and A. V. Bitsadze and A. A. Dorodnitsyn and S. V. Emel'yanov and N. P. Erugin and V. A. Il'in and S. P. Kurdyumov and A. N. Tikhonov},
     title = {Aleksandr {Andreevich} {Samarski{\v\i}} (on the occasion of his seventieth birthday)},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2027--2043},
     publisher = {mathdoc},
     volume = {25},
     number = {12},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1989_25_12_a0/}
}