@article{BGUMI_2021_1_a1,
     author = {F. E. Lomovtsev},
     title = {The first mixed problem for the general telegraph equation with variable coefficients on the half-line},
     journal = {Journal of the Belarusian State University. Mathematics and Informatics},
     pages = {18--38},
     publisher = {mathdoc},
     volume = {1},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/BGUMI_2021_1_a1/}
}