@article{INTG_1974_5_a7,
     author = {A. M. Vasil'ev},
     title = {Realizations of exterior differential algebras},
     journal = {Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara},
     pages = {195--199},
     publisher = {mathdoc},
     volume = {5},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTG_1974_5_a7/}
}