On the number of an eigenvalue of a general nonlinear self-adjoint spectral problem for systems of ordinary differential equations.

Autor: Abramov, A.1, Ul’yanova, V.1, Yukhno, L.1
Zdroj: Differential Equations. Jul2010, Vol. 46 Issue 7, p1063-1067. 5p.
Databáze: Academic Search Ultimate