@article{GDZPPN001261959,
title = {Bilateral semidirect products of transformation semigroups.},
journal = {Semigroup forum},
volume = {44},
year = {1992},
pages = {166-182},
zbl = {0776.20020},
url = {http://dml.mathdoc.fr/item/GDZPPN001261959}
}
Kunze, M. Bilateral semidirect products of transformation semigroups.. Semigroup forum, Tome 44 (1992) pp. 166-182. http://gdmltest.u-ga.fr/item/GDZPPN001261959/