@article{NSJOM_2004_34_2a_13,
     author = {N. Stevanovi\'c and P. V. Proti\'c},
     title = {Composition of 

 {Abel-Grassmann's} 3-bands},
     journal = {Novi Sad Journal of Mathematics},
     pages = {175-182},
     year = {2004},
     volume = {34},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2004_34_2a_13/}
}