Voir la notice de l'article provenant de la source Math-Net.Ru
@article{CHEB_2017_18_4_a20, author = {A. I. Nijnikov and V. N. Chubarikov and A. R. Esayan and N. M. Dobrovol'skii}, title = {In memory of a friend}, journal = {\v{C}eby\v{s}evskij sbornik}, pages = {348--351}, publisher = {mathdoc}, volume = {18}, number = {4}, year = {2017}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/CHEB_2017_18_4_a20/} }
A. I. Nijnikov; V. N. Chubarikov; A. R. Esayan; N. M. Dobrovol'skii. In memory of a friend. Čebyševskij sbornik, Tome 18 (2017) no. 4, pp. 348-351. http://geodesic.mathdoc.fr/item/CHEB_2017_18_4_a20/
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