@article{NSJOM_1982_12_Nonea_12,
     author = {Herceg Dragoslav},
     title = {Some difference schemes for two 

 point boundary value problems},
     journal = {Novi Sad Journal of Mathematics},
     pages = {123-137},
     publisher = {mathdoc},
     volume = {12},
     year = {1982},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1982_12_Nonea_12/}
}