@article{VKAM_2021_34_1_a0,
     author = {B. S. Ablabekov and A. K. Goroev},
     title = {On the definition of a time-dependent lower coefficient in a third-order hyperbolic equation},
     journal = {Vestnik KRAUNC. Fiziko-matemati\v{c}eskie nauki},
     pages = {9--18},
     publisher = {mathdoc},
     volume = {34},
     number = {1},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VKAM_2021_34_1_a0/}
}