@article{BMMS_1999_22_1_a5,
     author = {B. Davvaz and Y.A. Parnian-Garamaleky},
     title = {A
                          {Note} on {Exact} {Sequences}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {1999},
     volume = {22},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/BMMS_1999_22_1_a5/}
}