%0 Journal Article %A B. T. Bilalov %A S. G. Veliev %T Bases of eigenfunctions of two discontinuous differential operators %J Differencialʹnye uravneniâ %D 2006 %P 1428-1430 %V 42 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2006_42_10_a14/ %G ru %F DE_2006_42_10_a14