@article{GDZPPN00239863X,
title = {Groups with a Two-Variable Commutator Identity.},
journal = {Mathematische Zeitschrift},
volume = {99},
year = {1967},
pages = {276-287},
zbl = {0143.03801},
url = {http://dml.mathdoc.fr/item/GDZPPN00239863X}
}
Heineken, Hermann; Gupta, Narain Datt. Groups with a Two-Variable Commutator Identity.. Mathematische Zeitschrift, Tome 99 (1967) pp. 276-287. http://gdmltest.u-ga.fr/item/GDZPPN00239863X/