@article{10_4064_cm_12_2_195_208,
     author = {P. Jarek},
     title = {Commutative regular semigroups},
     journal = {Colloquium Mathematicum},
     pages = {195--208},
     publisher = {mathdoc},
     volume = {12},
     number = {2},
     year = {1964},
     doi = {10.4064/cm-12-2-195-208},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-12-2-195-208/}
}