The range of the gradient of a continuously differentiable bumps (JNCA)
Volume 2
Number 1
pp. 1-19

The range of the gradient of a continuously differentiable bumps
J. M. Borwein, M. Fabian, I. Kortezov and P. D. Loewen

Key words Mathematices Subject Classification
46G05, 58C20

Copyright© 2011 Yokohama Publishers