Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_2010_12_a6, author = {A. Khan and M. Shabir and Y. B. Jun}, title = {Intuitionistic fuzzy quasi-ideals in ordered semigroups}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {67--81}, publisher = {mathdoc}, number = {12}, year = {2010}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_2010_12_a6/} }
A. Khan; M. Shabir; Y. B. Jun. Intuitionistic fuzzy quasi-ideals in ordered semigroups. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 12 (2010), pp. 67-81. http://geodesic.mathdoc.fr/item/IVM_2010_12_a6/