@article{PIM_1977_N_S_21_35_a19,
     author = {V. Mari\'c and M. Tomi\'c},
     title = {Regular {Variation} {And} {Asymptotic} {Properties} {Of} {Solutions} {Of} {Nonlinear} {Differential} {Equations}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {119 },
     publisher = {mathdoc},
     volume = {_N_S_21},
     number = {35},
     year = {1977},
     url = {http://geodesic.mathdoc.fr/item/PIM_1977_N_S_21_35_a19/}
}