@article{VKAM_2021_35_2_a2,
     author = {M. Kh. Ruziev and F. S. Aktamov},
     title = {A boundary value problem for mixed type equation with singular coefficient},
     journal = {Vestnik KRAUNC. Fiziko-matemati\v{c}eskie nauki},
     pages = {27--39},
     publisher = {mathdoc},
     volume = {35},
     number = {2},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VKAM_2021_35_2_a2/}
}