Associated Sturm-Liouville systems
arXiv:physics/9908019
Abstract
Crum's seminal result of 1955 is archived here
9 pages, LaTex, with a forward by H.C. Rosu
arXiv:physics/9908019
Crum's seminal result of 1955 is archived here
9 pages, LaTex, with a forward by H.C. Rosu