@article{BMMS_2013_36_2_a14,
     author = {Saifur Rahman and Helen K. Saikia and B. Davvaz},
     title = {On the {Definition} of  {Atanassov's} {Intuitionistic} {Fuzzy} {Subrings} and {Ideals}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2013},
     volume = {36},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2013_36_2_a14/}
}