@article{05887044,
title = {On nonnilpotent groups in which every two 3-maximal subgroups are permutable.},
journal = {Sibirskij Matematicheskij Zhurnal},
volume = {50},
year = {2009},
pages = {1255-1268},
zbl = {1215.20023},
language = {en},
url = {http://dml.mathdoc.fr/item/05887044}
}
Guo, Wenbin; Lutsenko, Yu.V.; Skiba, A.N. On nonnilpotent groups in which every two 3-maximal subgroups are permutable.. Sibirskij Matematicheskij Zhurnal, Tome 50 (2009) pp. 1255-1268. http://gdmltest.u-ga.fr/item/05887044/