@article{NSJOM_2004_34_1a_10,
     author = {D. 

 Ma\v{s}ulovi\'c},
     title = {Turning 

 retractions of an algebra into an algebra},
     journal = {Novi Sad Journal of Mathematics},
     pages = {89-98},
     publisher = {mathdoc},
     volume = {34},
     number = {1},
     year = {2004},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2004_34_1a_10/}
}