@article{NSJOM_2012_42_1a_13,
     author = {Helena Zarin, and Sne\v{z}ana Gordi\'c},
     title = {Numerical solving of singularly perturbed boundary value
 problems with discontinuities},
     journal = {Novi Sad Journal of Mathematics},
     pages = {131-145},
     publisher = {mathdoc},
     volume = {42},
     number = {1},
     year = {2012},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2012_42_1a_13/}
}