@article{INTG_1973_4_a6,
     author = {A. M. Vasil'ev},
     title = {Involutory modules and involutory differential algebras},
     journal = {Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara},
     pages = {205--216},
     publisher = {mathdoc},
     volume = {4},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTG_1973_4_a6/}
}