@article{MS2_1953__1_165485,
     author = {Karl Egil AUBERT},
     title = {On the ideal theory of commutative semi-groups},
     journal = {Mathematica Scandinavica},
     pages = {39--54},
     year = {1953},
     volume = {1},
     zbl = {0050.25302},
     url = {http://geodesic.mathdoc.fr/item/MS2_1953__1_165485/}
}