Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1968_4_1_a8, author = {F. N. Liman}, title = {2-Groups with normal noncyclic subgroups}, journal = {Matemati\v{c}eskie zametki}, pages = {75--83}, publisher = {mathdoc}, volume = {4}, number = {1}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1968_4_1_a8/} }
F. N. Liman. 2-Groups with normal noncyclic subgroups. Matematičeskie zametki, Tome 4 (1968) no. 1, pp. 75-83. http://geodesic.mathdoc.fr/item/MZM_1968_4_1_a8/