@article{GDZPPN001259210,
title = {The range order of a product of i transformations from a finite full transformation semigroup.},
journal = {Semigroup forum},
volume = {37},
year = {1988},
pages = {31-36},
zbl = {0636.20041},
url = {http://dml.mathdoc.fr/item/GDZPPN001259210}
}
Higgins, Peter M. The range order of a product of i transformations from a finite full transformation semigroup.. Semigroup forum, Tome 37 (1988) pp. 31-36. http://gdmltest.u-ga.fr/item/GDZPPN001259210/