Oscillation theorems and nodes of eigenfunctions of certain differential equations of the fourth order

DOI10.4064/AP-27-1-21-28zbMath0244.35006OpenAlexW772396306MaRDI QIDQ5655751

Jan Bochenek

Publication date: 1972

Published in: Annales Polonici Mathematici (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.4064/ap-27-1-21-28

Mathematics Subject Classification ID

Boundary value problems for higher-order elliptic equations (35J40) General topics in linear spectral theory for PDEs (35P05) Oscillation, zeros of solutions, mean value theorems, etc. in context of PDEs (35B05) Linear higher-order PDEs (35G05) Variational methods for higher-order elliptic equations (35J35)

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