Journal of Differential Equations · 2006 · 46 citations · 15 references
Periodic SolutionsOscillation TheoryPeriodic Travelling WaveWave Theory
15
Sturm-Liouville operators and their applications
V. А. Marchenko · 1977 · 525 citations
Sturm-liouville Operators, Linear Operator, Resolvent Kernel +1