@article{DE_1978_14_10_a22,
     author = {N. P. Erugin and Yu. S. Bogdanov and Yu. M. Vuvunikyan and E. A. Ivanov and V. I. Krylov and L. D. Kudryavtsev and Ya. V. Radyno and S. V. Uspenskii},
     title = {Sergeǐ {L'vovi\v{c}} {Sobolev} (on the occasion of his seventieth birthday)},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1907--1910},
     year = {1978},
     volume = {14},
     number = {10},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1978_14_10_a22/}
}