@article{bwmeta1.element.bwnjournal-article-fmv82i1p8bwm,
author = {B. Schein},
title = {Representation of involuted semigroups by binary relations},
journal = {Fundamenta Mathematicae},
volume = {85},
year = {1974},
pages = {121-141},
zbl = {0291.20085},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv82i1p8bwm}
}
Schein, B. Representation of involuted semigroups by binary relations. Fundamenta Mathematicae, Tome 85 (1974) pp. 121-141. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv82i1p8bwm/