@article{TM_2002_236_a29,
     author = {L. S. Pulkina},
     title = {A~Nonlocal {Problem} for {a~Loaded} {Hyperbolic} {Equation}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {298--303},
     year = {2002},
     volume = {236},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2002_236_a29/}
}