@article{MV_1972_24_1_a14,
     author = {K. Swarup},
     title = {Some aspects of fractional programming},
     journal = {Matemati\v{c}ki vesnik},
     pages = {97 },
     publisher = {mathdoc},
     volume = {24},
     number = {1},
     year = {1972},
     url = {http://geodesic.mathdoc.fr/item/MV_1972_24_1_a14/}
}