Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1971_10_3_a12, author = {L. F. Barannik}, title = {Exact projective representations of {Abelian} groups}, journal = {Matemati\v{c}eskie zametki}, pages = {345--354}, publisher = {mathdoc}, volume = {10}, number = {3}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1971_10_3_a12/} }
L. F. Barannik. Exact projective representations of Abelian groups. Matematičeskie zametki, Tome 10 (1971) no. 3, pp. 345-354. http://geodesic.mathdoc.fr/item/MZM_1971_10_3_a12/