@article{MSC_2008_2008_1_a15,
     author = {Shabir, M. and  Khan, I. A.},
     title = {Interval-Valued {Fuzzy} {Ideals} {Generated} by an {Interval-Valued} {Fuzzy} {Subset} in {Ordered} {Semigroups.}},
     journal = {Mathware & soft computing},
     pages = {263-272},
     publisher = {mathdoc},
     volume = {15},
     number = {3},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MSC_2008_2008_1_a15/}
}