@article{05228052,
title = {On coverings in the lattice of all group topologies of arbitrary Abelian groups.},
journal = {Sibirskij Matematicheskij Zhurnal},
volume = {47},
year = {2006},
pages = {961-973},
zbl = {1150.54347},
language = {en},
url = {http://dml.mathdoc.fr/item/05228052}
}
Arnautov, V.I. On coverings in the lattice of all group topologies of arbitrary Abelian groups.. Sibirskij Matematicheskij Zhurnal, Tome 47 (2006) pp. 961-973. http://gdmltest.u-ga.fr/item/05228052/