@article{SEMR_2019_16_a100,
     author = {A. I. Kozhanov and B. Koshanov and J. Sultangazieva},
     title = {New boundary value problems for fourth-order quasi-hyperbolic equations},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {1410--1436},
     publisher = {mathdoc},
     volume = {16},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2019_16_a100/}
}