Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1994_55_6_a10, author = {V. N. Semenchuk}, title = {Finite groups with ${\mathfrak f}$-abnormal or ${\mathfrak f}$-subnormal subgroups}, journal = {Matemati\v{c}eskie zametki}, pages = {111--115}, publisher = {mathdoc}, volume = {55}, number = {6}, year = {1994}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1994_55_6_a10/} }
V. N. Semenchuk. Finite groups with ${\mathfrak f}$-abnormal or ${\mathfrak f}$-subnormal subgroups. Matematičeskie zametki, Tome 55 (1994) no. 6, pp. 111-115. http://geodesic.mathdoc.fr/item/MZM_1994_55_6_a10/