Everitt, W. N. On a lower bound of a second-order linear differential operator with an integrable-p coefficient. (English) Zbl 0263.34020 Conf. Theory ordinary partial diff. Equ., Dundee/Scotland 1972, Lect. Notes Math. 280, 258-263 (1972). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 34L99 Ordinary differential operators 47B25 Linear symmetric and selfadjoint operators (unbounded) × Cite Format Result Cite Review PDF