@article{GDZPPN001250116,
title = {On the existence of special homogeneous monoids.},
journal = {Semigroup forum},
volume = {7},
year = {1974},
pages = {95-101},
zbl = {0303.20050},
url = {http://dml.mathdoc.fr/item/GDZPPN001250116}
}
Adámek, J.; Koubek, V.; Reiterman, J. On the existence of special homogeneous monoids.. Semigroup forum, Tome 7 (1974) pp. 95-101. http://gdmltest.u-ga.fr/item/GDZPPN001250116/