%0 Journal Article %A V. P. Skripnik %T The method of initial functions for equations of superneutral type %J Differencialʹnye uravneniâ %D 1973 %P 874-879 %V 9 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1973_9_5_a10/ %G ru %F DE_1973_9_5_a10