@article{01779138, title = {On the concept of optimality interval.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {30}, year = {2002}, pages = {559-567}, doi = {10.1155/S0161171202011420}, zbl = {1022.11033}, language = {en}, url = {http://dml.mathdoc.fr/item/01779138} }
Bibiloni, Lluís; Viader, Pelegrí; Paradís, Jaume. On the concept of optimality interval.. International Journal of Mathematics and Mathematical Sciences, Tome 30 (2002) pp. 559-567. doi : 10.1155/S0161171202011420. http://gdmltest.u-ga.fr/item/01779138/