@article{GDZPPN001254871,
title = {A note on generalized commutative semigroups.},
journal = {Semigroup forum},
volume = {23},
year = {1981},
pages = {311-324},
zbl = {0467.20050},
url = {http://dml.mathdoc.fr/item/GDZPPN001254871}
}
Venu Raju, K.; Hanumanthachari, J. A note on generalized commutative semigroups.. Semigroup forum, Tome 23 (1981) pp. 311-324. http://gdmltest.u-ga.fr/item/GDZPPN001254871/