@article{GDZPPN001255711,
title = {Rees products in differentiable semigroups.},
journal = {Semigroup forum},
volume = {24},
year = {1982},
pages = {145-152},
zbl = {0498.22002},
url = {http://dml.mathdoc.fr/item/GDZPPN001255711}
}
Holmes, T.P. Rees products in differentiable semigroups.. Semigroup forum, Tome 24 (1982) pp. 145-152. http://gdmltest.u-ga.fr/item/GDZPPN001255711/