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Publication:3980207
zbMath0751.34045MaRDI QIDQ3980207
Publication date: 26 June 1992
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
boundary value problemroot functionsunconditional basis propertyasymptotic estimates for eigenvalues
Particular ordinary differential operators (Dirac, one-dimensional Schrödinger, etc.) (34L40) Linear boundary value problems for ordinary differential equations (34B05) Eigenvalues, estimation of eigenvalues, upper and lower bounds of ordinary differential operators (34L15)
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