Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1965_160_4_a8, author = {I. V. Skrypnik}, title = {Periods of $\mathfrak{A}$-closed forms}, journal = {Doklady Akademii Nauk}, pages = {772--773}, publisher = {mathdoc}, volume = {160}, number = {4}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1965_160_4_a8/} }
I. V. Skrypnik. Periods of $\mathfrak{A}$-closed forms. Doklady Akademii Nauk, Tome 160 (1965) no. 4, pp. 772-773. http://geodesic.mathdoc.fr/item/DAN_1965_160_4_a8/