%0 Journal Article %A N. P. Fedenko %T A remark on the instability of certain rules for a numerical solution of the Cauchy problem %J Differencialʹnye uravneniâ %D 1965 %P 227-229 %V 1 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1965_1_2_a12/ %G ru %F DE_1965_1_2_a12