@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/