@article{GDZPPN002451328, title = {Upper Bound Problem in Linear Fractional Functionals Programming}, journal = {Metrika}, volume = {16}, year = {1970}, pages = {81-85}, zbl = {0211.22302}, url = {http://dml.mathdoc.fr/item/GDZPPN002451328} }
Swarup, K. Upper Bound Problem in Linear Fractional Functionals Programming. Metrika, Tome 16 (1970) pp. 81-85. http://gdmltest.u-ga.fr/item/GDZPPN002451328/