@article{VTAMU_2022_27_140_a2,
     author = {E. Yu. Grazhdantseva},
     title = {On exact solution of a hyperbolic system of differential equations},
     journal = {Vestnik rossijskih universitetov. Matematika},
     pages = {328--338},
     year = {2022},
     volume = {27},
     number = {140},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTAMU_2022_27_140_a2/}
}