@article{ZVMMF_1966_6_6_a3,
     author = {V. I. Chekhlov},
     title = {Boundary value problem for a hyperbolic equation with discontinuous boundary conditions},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {981--990},
     publisher = {mathdoc},
     volume = {6},
     number = {6},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1966_6_6_a3/}
}