@article{10_4064_cm6726_1_2016,
     author = {R. Ebrahimi Atani and S. Ebrahimi Atani and A. Hassani Karbasi},
     title = {On semiprime comultiplication modules over pullback rings},
     journal = {Colloquium Mathematicum},
     pages = {197--211},
     publisher = {mathdoc},
     volume = {146},
     number = {2},
     year = {2017},
     doi = {10.4064/cm6726-1-2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm6726-1-2016/}
}