%0 Journal Article %A B. L. Shekhter %T The number of solutions of the two-point boundary value problem for a second order equation with discontinuous right-hand side %J Differencialʹnye uravneniâ %D 1975 %P 484-497 %V 11 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1975_11_3_a7/ %G ru %F DE_1975_11_3_a7