@article{DE_1997_33_6_a0,
     author = {N. A. Izobov and V. A. Il'in and N. N. Krasovskii and V. M. Matrosov and A. A. Samarskii and A. M. Samoilenko},
     title = {Ivan {Vasil'evich} {Ga{\v\i}shun} (on the occasion of his fiftieth birthday)},
     journal = {Differencialʹnye uravneni\^a},
     pages = {723--729},
     publisher = {mathdoc},
     volume = {33},
     number = {6},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1997_33_6_a0/}
}