%0 Journal Article %A B. S. Kalitin %T The oscillations of a pendulum with a shock impulse. II %J Differencialʹnye uravneniâ %D 1970 %P 2174-2181 %V 6 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1970_6_12_a5/ %G ru %F DE_1970_6_12_a5