@article{TMF_2019_200_1_a5,
     author = {Kh. A. Khachatryan},
     title = {Solvability of some classes of nonlinear singular boundary value problems in the~theory of $p$-adic open--closed strings},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {106--117},
     publisher = {mathdoc},
     volume = {200},
     number = {1},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2019_200_1_a5/}
}