Disambiguation evidence for Sturm–Liouville problem via surface form

"Eigenfunction Expansions Associated with Second-order Differential Equations"

Triples (1)

Triples where some other subject referred to this entity as "Eigenfunction Expansions Associated with Second-order Differential Equations".

E. C. Titchmarsh → notableWork →
"Eigenfunction Expansions Associated with Second-order Differential Equations"
↳ resolves to Sturm–Liouville problem
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