@article{NSJOM_1991_21_2a_10,
     author = {Herceg 

 Dragoslav and Surla Katarina,},
     title = {Solving a nonlocal 

 singularly perturbed problem by splines in tension},
     journal = {Novi Sad Journal of Mathematics},
     pages = {119-132},
     publisher = {mathdoc},
     volume = {21},
     number = {2},
     year = {1991},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1991_21_2a_10/}
}