@article{DE_1983_19_10_a21,
     author = {E. I. Moiseev and V. V. Tikhomirov and E. A. Kozlov},
     title = {A mean value formula for the regular solution of a hyperbolic equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1802--1803},
     publisher = {mathdoc},
     volume = {19},
     number = {10},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1983_19_10_a21/}
}