@article{04065441, title = {Optimality and existence for Lipschitz equations.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {11}, year = {1988}, pages = {267-274}, doi = {10.1155/S0161171288000328}, zbl = {0653.34010}, language = {en}, url = {http://dml.mathdoc.fr/item/04065441} }
Henderson, Johnny. Optimality and existence for Lipschitz equations.. International Journal of Mathematics and Mathematical Sciences, Tome 11 (1988) pp. 267-274. doi : 10.1155/S0161171288000328. http://gdmltest.u-ga.fr/item/04065441/