Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1969_5_5_a6, author = {N. R. Brumberg}, title = {Polyvarieties}, journal = {Matemati\v{c}eskie zametki}, pages = {545--551}, publisher = {mathdoc}, volume = {5}, number = {5}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1969_5_5_a6/} }
N. R. Brumberg. Polyvarieties. Matematičeskie zametki, Tome 5 (1969) no. 5, pp. 545-551. http://geodesic.mathdoc.fr/item/MZM_1969_5_5_a6/