@article{VMUMM_1987_6_a2,
     author = {V. A. Chernyatin},
     title = {On the problem of the existence of a solution to a mixed problem for the one-dimensional wave equation},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {9--21},
     publisher = {mathdoc},
     number = {6},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1987_6_a2/}
}