@article{PIM_1990_N_S_48_62_a3,
     author = {Du\v{s}an D. Adamovi\'c},
     title = {Two {Propositions} {On} {Slowly} {Varying} {Functions}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {41 },
     publisher = {mathdoc},
     volume = {_N_S_48},
     number = {62},
     year = {1990},
     url = {http://geodesic.mathdoc.fr/item/PIM_1990_N_S_48_62_a3/}
}