Sturmian theory for ordinary differential equations. (English) Zbl 0459.34001

Applied Mathematical Sciences, Vol. 31. New York - Heidelberg -Berlin: Springer-Verlag. XV, 559 p. DM 54.00; $ 31.90 (1980).


34-01 Introductory exposition (textbooks, tutorial papers, etc.) pertaining to ordinary differential equations
34L99 Ordinary differential operators
34C10 Oscillation theory, zeros, disconjugacy and comparison theory for ordinary differential equations