@article{PORMA_1978__37_1-2_115329,
     author = {Gupta, R.K. and Swarup, Kanti},
     title = {On extreme point fractional programming},
     journal = {Portugaliae mathematica},
     pages = {13--29},
     publisher = {mathdoc},
     volume = {37},
     number = {1-2},
     year = {1978},
     mrnumber = {0620294},
     zbl = {0456.90083},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1978__37_1-2_115329/}
}