Kreith, K. Oscillation properties of nonselfadjoint differential equations of even order. (English) Zbl 0244.34025 Conf. Theory ordinary partial diff. Equ., Dundee/Scotland 1972, Lect. Notes Math. 280, 294-297 (1972). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document MSC: 34C10 Oscillation theory, zeros, disconjugacy and comparison theory for ordinary differential equations × Cite Format Result Cite Review PDF