@article{NSJOM_2005_35_1a_4,
     author = {K. Surla and Lj. Teofanov and Z. Uzelac},
     title = {The 

 structure of spline collocation matrix for singularly perturbation problems 

 with two small parameters},
     journal = {Novi Sad Journal of Mathematics},
     pages = {41-48},
     publisher = {mathdoc},
     volume = {35},
     number = {1},
     year = {2005},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2005_35_1a_4/}
}