An integral criterion for oscillation of linear differential equations of second order

A criterion of oscillatory stability

Aurel Wintner · Quarterly of Applied Mathematics · 1949 · 314 citations · Full text

Natural Sciences, Mathematics, Physics +11

On Nonoscillatory Linear Differential Equations of Second Order

Philip Hartman · Proceedings of the American Mathematical Society · 1977 · 143 citations · Full text

Natural Sciences, Mathematics, Differential Equations +4

On Non-Oscillatory Linear Differential Equations of Second Order

American Journal of Mathematics · 1952 · 127 citations

Natural Sciences, Mathematics, Physics +13

Some specifically nonlinear oscillation theorems

I. V. Kamenev · Mathematical Notes · 1971 · 35 citations

Natural Sciences, Mathematics, Physics +12