@article{SF_1974__8_134032,
     author = {Angelika W\"orz-Busekros},
     title = {Regular and simple {Schur-semigroups.}},
     journal = {Semigroup forum},
     pages = {125--139},
     publisher = {mathdoc},
     volume = {8},
     year = {1974},
     zbl = {0282.20053},
     url = {http://geodesic.mathdoc.fr/item/SF_1974__8_134032/}
}