@article{00639827,
title = {On a class of groups with Lagrangian factor groups.},
journal = {Portugaliae Mathematica. Nova S\'erie},
volume = {51},
year = {1994},
pages = {205-215},
zbl = {0839.20027},
language = {en},
url = {http://dml.mathdoc.fr/item/00639827}
}
Tuccillo, Fernando. On a class of groups with Lagrangian factor groups.. Portugaliae Mathematica. Nova Série, Tome 51 (1994) pp. 205-215. http://gdmltest.u-ga.fr/item/00639827/