@article{GDZPPN002541289, title = {A Theorem On The Optimal Allocation Of Effort.}, journal = {Revista colombiana de matematicas}, volume = {21}, year = {1987}, pages = {201-212}, zbl = {0665.90100}, url = {http://dml.mathdoc.fr/item/GDZPPN002541289} }
Grofman, Bernard; Guillermo, Owen. A Theorem On The Optimal Allocation Of Effort.. Revista colombiana de matematicas, Tome 21 (1987) pp. 201-212. http://gdmltest.u-ga.fr/item/GDZPPN002541289/