@article{DAN_1987_295_5_a15,
     author = {V. P. Maslov},
     title = {Ill-posedness and the vortex coherence of a structure in},
     journal = {Doklady Akademii Nauk},
     pages = {1093--1097},
     publisher = {mathdoc},
     volume = {295},
     number = {5},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_295_5_a15/}
}