@article{IVM_1988_4_a6,
     author = {V. A. Popov},
     title = {Closed 2-forms and embedding theorems for arbitrary symplectic manifolds},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {43--47},
     publisher = {mathdoc},
     number = {4},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1988_4_a6/}
}