@article{GDZPPN002041790, title = {Separation via quadratic functions.}, journal = {Aequationes mathematicae}, volume = {52}, year = {1996}, pages = {209-229}, zbl = {0853.39013}, url = {http://dml.mathdoc.fr/item/GDZPPN002041790} }
Páles, Zsolt; Zeidan, Vera. Separation via quadratic functions.. Aequationes mathematicae, Tome 52 (1996) pp. 209-229. http://gdmltest.u-ga.fr/item/GDZPPN002041790/