@article{GDZPPN002039729, title = {The fundamentality of sets of ridge functions.}, journal = {Aequationes mathematicae}, volume = {44}, year = {1992}, pages = {226-235}, zbl = {0766.41036}, url = {http://dml.mathdoc.fr/item/GDZPPN002039729} }
Cheney, E.W.; Sun, Xingping. The fundamentality of sets of ridge functions.. Aequationes mathematicae, Tome 44 (1992) pp. 226-235. http://gdmltest.u-ga.fr/item/GDZPPN002039729/