@article{INTO_2019_160_a4,
     author = {A. V. Kirichuka and F. Zh. Sadyrbaev},
     title = {On the number of solutions for a certain class of nonlinear second-order boundary-value problems},
     journal = {Itogi nauki i tehniki. Sovremenna\^a matematika i e\"e prilo\v{z}eni\^a. Temati\v{c}eskie obzory},
     pages = {32--41},
     publisher = {mathdoc},
     volume = {160},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTO_2019_160_a4/}
}