@article{GDZPPN002477602, title = {Intersection of Chains of Subgroups of a Finite Group.}, journal = {Monatshefte f\"ur Mathematik}, volume = {75}, year = {1971}, pages = {333-337}, zbl = {0232.20034}, url = {http://dml.mathdoc.fr/item/GDZPPN002477602} }
Sidki, Said. Intersection of Chains of Subgroups of a Finite Group.. Monatshefte für Mathematik, Tome 75 (1971) pp. 333-337. http://gdmltest.u-ga.fr/item/GDZPPN002477602/