@article{NSJOM_2007_37_2a_20,
     author = {K. Surla and Lj. Tefanov and Z. Uzelac},
     title = {Spline 

 difference scheme and minimum principle for a

 reaction-diffusion problem},
     journal = {Novi Sad Journal of Mathematics},
     pages = {249-258},
     publisher = {mathdoc},
     volume = {37},
     number = {2},
     year = {2007},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2007_37_2a_20/}
}