%0 Journal Article %A N. N. Bogolyubov %A V. S. Vladimirov %A A. N. Kolmogorov %T Gurii Ivanovich Marchuk (on his sixtieth birthday) %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1985 %P 1-21 %V 40 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1985_40_5_a0/ %G en %F RM_1985_40_5_a0