@article{GDZPPN002076764,
title = {On (m,n)-ideals in subcommutative semigroups.},
journal = {Elemente der Mathematik},
volume = {24},
year = {1969},
pages = {39-40},
zbl = {0172.02403},
url = {http://dml.mathdoc.fr/item/GDZPPN002076764}
}
Lajos, S. On (m,n)-ideals in subcommutative semigroups.. Elemente der Mathematik, Tome 24 (1969) pp. 39-40. http://gdmltest.u-ga.fr/item/GDZPPN002076764/