@article{GDZPPN002079860, title = {Application of non-linear programming to plane geometry.}, journal = {Elemente der Mathematik}, volume = {34}, year = {1979}, pages = {1-7}, zbl = {0392.51016}, url = {http://dml.mathdoc.fr/item/GDZPPN002079860} }
Stroeker, R.J. Application of non-linear programming to plane geometry.. Elemente der Mathematik, Tome 34 (1979) pp. 1-7. http://gdmltest.u-ga.fr/item/GDZPPN002079860/