Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{PORMA_1967__26_2_115017, author = {Weston, Kenneth}, title = {ZA groups with a cyclic terminal upper central factor}, journal = {Portugaliae mathematica}, pages = {185--191}, publisher = {mathdoc}, volume = {26}, number = {2}, year = {1967}, mrnumber = {0262350}, zbl = {0174.05001}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1967__26_2_115017/} }
Weston, Kenneth. ZA groups with a cyclic terminal upper central factor. Portugaliae mathematica, Tome 26 (1967) no. 2, pp. 185-191. http://geodesic.mathdoc.fr/item/PORMA_1967__26_2_115017/