@article{1103036139, author = {Nunke, R. J.}, title = {A note on Abelian group extensions.}, journal = {Pacific J. Math.}, volume = {12}, number = {4}, year = {1962}, pages = { 1401-1403}, language = {en}, url = {http://dml.mathdoc.fr/item/1103036139} }
Nunke, R. J. A note on Abelian group extensions.. Pacific J. Math., Tome 12 (1962) no. 4, pp. 1401-1403. http://gdmltest.u-ga.fr/item/1103036139/