Abstract
Automorphisms of the family of all Sturm-Liouville equationsy″=qy are investigated. The classical Darboux transformation arises as a particular case of a general results.
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Chrastinová, V. On the Darboux transformation. I. Georgian Mathematical Journal 2, 237–240 (1995). https://doi.org/10.1007/BF02261698
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DOI: https://doi.org/10.1007/BF02261698