@article{PFMT_2022_1_a9,
     author = {F. E. Lomovtsev},
     title = {Global correctness theorem to the first mixed problem for the general telegraph equation with variable coefficients on a segment},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {62--73},
     publisher = {mathdoc},
     number = {1},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2022_1_a9/}
}