@article{NSJOM_1994_24_1a_34,
     author = {Herceg Dragoslav},
     title = {On finite difference 

 analogue for boundary value problem},
     journal = {Novi Sad Journal of Mathematics},
     pages = {381-388},
     publisher = {mathdoc},
     volume = {24},
     number = {1},
     year = {1994},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1994_24_1a_34/}
}