@article{DAN_1989_304_2_a9,
     author = {G. A. Sviridyuk},
     title = {Manifolds of solutions of a class of evolution and dynamic},
     journal = {Doklady Akademii Nauk},
     pages = {301--304},
     publisher = {mathdoc},
     volume = {304},
     number = {2},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1989_304_2_a9/}
}