@article{DE_1980_16_5_a20,
     author = {N. P. Erugin and A. A. Shestakov and V. G. Demin and V. G. Veretennikov and I. A. Mukhametzyanov and R. G. Mukharlyamov},
     title = {Abdel'hak {Safiullovi{\v{c}}} {Galiullin} (on the occasion of his sixtieth birthday)},
     journal = {Differencialʹnye uravneni\^a},
     pages = {950--954},
     publisher = {mathdoc},
     volume = {16},
     number = {5},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1980_16_5_a20/}
}