Advances in Mathematics · 1969 · 92 citations · 34 references
Natural SciencesMathematicsPhysicsDifferential EquationsDynamical SystemsFluid DynamicsChaos TheoryNonlinear DynamicsOscillatorsPartial Differential EquationsStability TheorySystems Of Differential EquationsLinear OscillationsOscillation TheorySecond-order Differential Equations
34
Einar Hille · Transactions of the American Mathematical Society · 1948 · 344 citations · Full text
A criterion of oscillatory stability
Aurel Wintner · Quarterly of Applied Mathematics · 1949 · 314 citations · Full text
On the Non-Existence of Conjugate Points
Aurel Wintner · American Journal of Mathematics · 1951 · 203 citations