@article{NSJOM_1979_9_Nonea_23,
     author = {Bogdanovi\'c Stojan},
     title = {(m,n) {\textendash} ideaux et les demi-groups 

 (m,n)-reguliers},
     journal = {Novi Sad Journal of Mathematics},
     pages = {169-173},
     publisher = {mathdoc},
     volume = {9},
     year = {1979},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1979_9_Nonea_23/}
}