Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1967__99_170773, author = {Peter Yff}, title = {Groups with {Identical} {Subgroups} {Structures.}}, journal = {Mathematische Zeitschrift}, pages = {178--181}, publisher = {mathdoc}, volume = {99}, year = {1967}, zbl = {0166.02101}, url = {http://geodesic.mathdoc.fr/item/MZ_1967__99_170773/} }
Peter Yff. Groups with Identical Subgroups Structures.. Mathematische Zeitschrift, Tome 99 (1967), pp. 178-181. http://geodesic.mathdoc.fr/item/MZ_1967__99_170773/