Hille-Wintner type comparison theorem for selfadjoint fourth order linear differential equations

Erbe, L.

doi:10.1090/S0002-9939-1980-0580996-5

Hille-Wintner type comparison theorem for selfadjoint fourth order linear differential equations
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Proc. Amer. Math. Soc. 80 (1980), 417-422 Request permission

Abstract:

The well-known Hille-Wintner Theorem for second order linear differential equations is extended to fourth order selfadjoint equations.

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