@article{NSJOM_1982_12_Nonea_32,
     author = {Bogdanovi\'c Stojan and Gilezan Silvija},
     title = {Semigroups with 

 completely simple kernel},
     journal = {Novi Sad Journal of Mathematics},
     pages = {429-445},
     publisher = {mathdoc},
     volume = {12},
     year = {1982},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1982_12_Nonea_32/}
}