An Alternate Variational Principle for $\Delta u - u + |u|^{r - 1} \operatorname{sgn} u = 0$
Charles V. CoffmanVolume:
87
Language:
english
Journal:
Proceedings of the American Mathematical Society
DOI:
10.2307/2043355
Date:
April, 1983
File:
PDF, 199 KB
english, 1983