@article{NSJOM_1994_24_1a_15,
     author = {Taka\v{c}i {\DJ}ur{\dj}ica},
     title = {The error of 

 approximation for a particular solution},
     journal = {Novi Sad Journal of Mathematics},
     pages = {187-201},
     publisher = {mathdoc},
     volume = {24},
     number = {1},
     year = {1994},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1994_24_1a_15/}
}