@article{NSJOM_1992_22_2a_1,
     author = {Cvetkovi\'c Ljiljana and Kreji\'c Nata\v{s}a},
     title = {Convergence of the 

 unsymmetric successive overrelaxation method for {SDD} matrices},
     journal = {Novi Sad Journal of Mathematics},
     pages = {11-21},
     publisher = {mathdoc},
     volume = {22},
     number = {2},
     year = {1992},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1992_22_2a_1/}
}