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About Certain Fourth‐Order Ordinary Differential Operators — Oscillation and Discreteness of their Spectrum
Author(s) -
Fiedler Frank
Publication year - 1989
Publication title -
mathematische nachrichten
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.913
H-Index - 50
eISSN - 1522-2616
pISSN - 0025-584X
DOI - 10.1002/mana.19891420116
Subject(s) - mathematics , order (exchange) , spectrum (functional analysis) , calculus (dental) , physics , quantum mechanics , medicine , dentistry , finance , economics