@article{DE_1999_35_9_a17,
     author = {L. A. Kalyakin and M. M. Shakiryanov},
     title = {Asymptotic behavior of the solution of the {Cauchy} problem for the two-dimensional homogeneous wave equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1291--1292},
     publisher = {mathdoc},
     volume = {35},
     number = {9},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1999_35_9_a17/}
}