@article{05381052,
title = {Involutory decomposition of a group and twisted subsets with few involutions.},
journal = {Sibirskij Matematicheskij Zhurnal},
volume = {49},
year = {2008},
pages = {275-280},
zbl = {1154.20021},
language = {en},
url = {http://dml.mathdoc.fr/item/05381052}
}
Veprintsev, D.V.; Myl'nikov, A.L. Involutory decomposition of a group and twisted subsets with few involutions.. Sibirskij Matematicheskij Zhurnal, Tome 49 (2008) pp. 275-280. http://gdmltest.u-ga.fr/item/05381052/