@article{NSJOM_2000_30_1a_21,
     author = {D. 

 Herceg and H. Mali\v{c}i\'c and I. Liki\'c},
     title = {On a 

 finite difference analogue of forth order for boundary value problem},
     journal = {Novi Sad Journal of Mathematics},
     pages = {197-203},
     publisher = {mathdoc},
     volume = {30},
     number = {1},
     year = {2000},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2000_30_1a_21/}
}