%0 Journal Article %A A. V. Kirichuka %A F. Zh. Sadyrbaev %T On the number of solutions for a certain class of nonlinear second-order boundary-value problems %J Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory %D 2019 %P 32-41 %V 160 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTO_2019_160_a4/ %G ru %F INTO_2019_160_a4