@article{MV_1965_17_4_a6,
     author = {B. Okiljevi\'c},
     title = {Integration of systems of n ordinary differential equations admitting projective infinitesimal transformation},
     journal = {Matemati\v{c}ki vesnik},
     pages = {257 },
     publisher = {mathdoc},
     volume = {17},
     number = {4},
     year = {1965},
     url = {http://geodesic.mathdoc.fr/item/MV_1965_17_4_a6/}
}