Periodic and almost periodic solutions of functional-differential equations

Oscillations in nonlinear systems

Journal of the Franklin Institute · 1963 · 485 citations

Natural Sciences, Mathematics, Physics +12

Contributions to differential equations

USSR Computational Mathematics and Mathematical Physics · 1966 · 481 citations

Natural Sciences, Mathematics, Differential Equations +10

Uniform asymptotic stability of systems of differential equations with a small parameter in the derivative terms

A.I. Klimushchev, N. N. Krasovskiĭ · Journal of Applied Mathematics and Mechanics · 1961 · 122 citations

Natural Sciences, Mathematics, Differential Equations +10

Oscillations in Nonlinear Systems.

Courtney Coleman, Jack K. Hale · American Mathematical Monthly · 1965 · 43 citations

Natural Sciences, Mathematics, Differential Equations +11

Bounded and almost periodic solutions of singularly perturbed equations

Jack K. Hale, George Seifert · Journal of Mathematical Analysis and Applications · 1961 · 28 citations

Natural Sciences, Mathematics, Physics +13