@article{1181072974,
author = {Hilgert, J.},
title = {Infinitesimally Generated Subsemigroups of Motion Groups},
journal = {Rocky Mountain J. Math.},
volume = {21},
number = {4},
year = {1991},
pages = { 865-878},
language = {en},
url = {http://dml.mathdoc.fr/item/1181072974}
}
Hilgert, J. Infinitesimally Generated Subsemigroups of Motion Groups. Rocky Mountain J. Math., Tome 21 (1991) no. 4, pp. 865-878. http://gdmltest.u-ga.fr/item/1181072974/