@article{DAN_1976_228_6_a13,
     author = {V. E. Zakharov},
     title = {Exact solutions to the problem of the parametric interaction of three- dimensional wave packets},
     journal = {Doklady Akademii Nauk},
     pages = {1314--1316},
     publisher = {mathdoc},
     volume = {228},
     number = {6},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_228_6_a13/}
}