@article{NSJOM_2013_43_1a_4,
     author = {B. Ungor, and N. Agayev, and S. Halicioglu, and A.
 Harmanci},
     title = {Endo-principally projective modules},
     journal = {Novi Sad Journal of Mathematics},
     pages = {41-49},
     publisher = {mathdoc},
     volume = {43},
     number = {1},
     year = {2013},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2013_43_1a_4/}
}