@article{DE_1975_11_3_a7, author = {B. L. Shekhter}, title = {The number of solutions of the two-point boundary value problem for a second order equation with discontinuous right-hand side}, journal = {Differencialʹnye uravneni\^a}, pages = {484--497}, publisher = {mathdoc}, volume = {11}, number = {3}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1975_11_3_a7/} }