@article{1195519879, author = {Poland, John}, title = {On finite groups whose subgroups have simple core factors}, journal = {Proc. Japan Acad.}, volume = {47}, number = {10}, year = {1971}, pages = { 606-610}, language = {en}, url = {http://dml.mathdoc.fr/item/1195519879} }
Poland, John. On finite groups whose subgroups have simple core factors. Proc. Japan Acad., Tome 47 (1971) no. 10, pp. 606-610. http://gdmltest.u-ga.fr/item/1195519879/