%0 Journal Article %A A. A. Samarskii %A V. A. Il'in %A V. Z. Meshkov %A E. I. Moiseev %T Ivan Aleksandrovich Kipriyanov (on the occasion of his seventieth birthday) %J Differencialʹnye uravneniâ %D 1993 %P 1295-1300 %V 29 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1993_29_8_a1/ %G ru %F DE_1993_29_8_a1