%0 Journal Article %A Z. Schneider %T Tadija Pejovi{\'c} (on the occasion of his ninetieth birthday) %J Differencialʹnye uravneniâ %D 1982 %P 2003-2007 %V 18 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1982_18_11_a28/ %G ru %F DE_1982_18_11_a28