Symmetrization of functions and the best constant of 1-dim L p Sobolev inequality. Watanabe, Kohtaro; Kametaka, Yoshinori; Nagai, Atsushi; Yamagishi, Hiroyuki; Takemura, Kazuo — 2009 Journal of Inequalities and Applications [electronic only]
The best constant of Sobolev inequality corresponding to clamped boundary value problem. Watanabe, Kohtaro; Kametaka, Yoshinori; Yamagishi, Hiroyuki; Nagai, Atsushi; Takemura, Kazuo — 2011 Boundary Value Problems [electronic only]