@article{GDZPPN002452278, title = {Indefinite Quadratic Fractional Functional Programming.}, journal = {Metrika}, volume = {19}, year = {1972}, pages = {21-30}, zbl = {0225.90034}, url = {http://dml.mathdoc.fr/item/GDZPPN002452278} }
Bector, C.R. Indefinite Quadratic Fractional Functional Programming.. Metrika, Tome 19 (1972) pp. 21-30. http://gdmltest.u-ga.fr/item/GDZPPN002452278/