Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1960_131_6_a1, author = {D. O. Baladze}, title = {Homology and cohomology groups over a pair of coefficient groups}, journal = {Doklady Akademii Nauk}, pages = {1234--1237}, publisher = {mathdoc}, volume = {131}, number = {6}, year = {1960}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1960_131_6_a1/} }
D. O. Baladze. Homology and cohomology groups over a pair of coefficient groups. Doklady Akademii Nauk, Tome 131 (1960) no. 6, pp. 1234-1237. http://geodesic.mathdoc.fr/item/DAN_1960_131_6_a1/