@article{NSJOM_1993_23_2a_35,
     author = {Cvetkovi\'c Ljiljana and Herceg Dragoslav and Petrovi\'c Nenad},
     title = {On the overrelaxation 

 method with several relaxation parameters},
     journal = {Novi Sad Journal of Mathematics},
     pages = {411-416},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {1993},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1993_23_2a_35/}
}