@article{NSJOM_1971_1_Nonea_1,
     author = {Pejovi\'c 

 Pavle},
     title = {Approximative solution of the system of nonlinear differential equations by 

 means of the system of interval diffrential equations},
     journal = {Novi Sad Journal of Mathematics},
     pages = {15-25},
     publisher = {mathdoc},
     volume = {1},
     year = {1971},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1971_1_Nonea_1/}
}