%0 Journal Article %A J. Janas %T On commutators on nilpotent Lie group %J Colloquium Mathematicum %D 1982 %P 303-307 %V 47 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-47-2-303-307/ %R 10.4064/cm-47-2-303-307 %G en %F 10_4064_cm_47_2_303_307