@article{MASLO_1976__26_2_a0,
     author = {J\"urgensen, Helmut},
     title = {Fastideale in vollst\"andig {O-einfachen} {Halbgruppen}},
     journal = {Mathematica slovaca},
     pages = {73--76},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {1976},
     mrnumber = {0450436},
     zbl = {0328.20055},
     language = {ge},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1976__26_2_a0/}
}