Semiclassical approximation for the non-self-adjoint Sturm-Liouville problem with the potential q(x) = x 4 − a 2 x 2

Pokotilo, V. I. | British Library Online Contents | 2009

Semiclassical asymptotics of the Matrix Sturm-Liouville problem

Krivko, A. V. / Kucherenko, V. V. | British Library Online Contents | 2006

Similarity between J-Self-Adjoint Sturm--Liouville Operators with Operator Potential and Self-Adjoint Operators

Karabash, I. M. / Hassi, S. | British Library Online Contents | 2005

Non-self-adjoint sturm-liouville operators with matrix potentials

Veliev, O. A. | British Library Online Contents | 2007

Similarity of Indefinite Sturm-Liouville Operators with Singular Potential to a Self-Adjoint Operator

Kostenko, A. S. | British Library Online Contents | 2005