@article{NSJOM_2011_41_2a_11,
     author = {H. Ansari-Toroghy, and F. Farshadifar},
     title = {Multiplication and comultiplication modules},
     journal = {Novi Sad Journal of Mathematics},
     pages = {117-122},
     publisher = {mathdoc},
     volume = {41},
     number = {2},
     year = {2011},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2011_41_2a_11/}
}