@article{DE_1993_29_12_a1,
     author = {V. F. Butuzov and V. A. Il'in and A. G. Popov and A. A. Samarskii and A. G. Sveshnikov and A. N. Tikhonov},
     title = {\`Eduard {Genrikhovich} {Poznyak} (on the occasion of his seventieth birthday)},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2032--2033},
     publisher = {mathdoc},
     volume = {29},
     number = {12},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1993_29_12_a1/}
}