Title: Regular boundary value problems associated with pairs of ordinary differential expressions
First published: 1981
Subjects: Differential operators, Boundary value problems, Eigenfunction expansions, Problèmes aux limites, Opérateurs différentiels, Fonctions caractéristiques, Extensions, Gewöhnlicher Differentialoperator, Randwertproblem, Randwaardeproblemen
LC classification: QA3 .L28 vol. 858, QA379 .L28 vol. 858