@article{VKAM_2018_3_a0,
     author = {A. H. Attaev},
     title = {The characteristic problem for the second-order hyperbolic equation loaded along one of its characteristics},
     journal = {Vestnik KRAUNC. Fiziko-matemati\v{c}eskie nauki},
     pages = {14--18},
     publisher = {mathdoc},
     number = {3},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VKAM_2018_3_a0/}
}