@article{10.30755/NSJOM.10795, author = {Fabiana \c{C}ullhaj and Anjeza Krakulli}, title = {Some characterizations of regularity and intra-regularity of $\Gamma$-semigroups by means of quasi-ideals}, journal = {Novi Sad Journal of Mathematics}, pages = {39 - 46}, publisher = {mathdoc}, volume = {51}, number = {2}, year = {2021}, doi = {10.30755/NSJOM.10795}, url = {http://geodesic.mathdoc.fr/articles/10.30755/NSJOM.10795/} }