Averaging theory for discontinuous piecewise differential systems

Differential equations with discontinuous right hand sides

Mathematics and Computers in Simulation · 1989 · 5K citations

Natural Sciences, Mathematics, Differential Equations +10

Non-Linear Oscillations

L. S. GODDARD · Nature · 1963 · 1.1K citations · Full text

Averaging methods for finding periodic orbits via Brouwer degree

Adriana Buică, Jaume Llibre · Bulletin des Sciences Mathématiques · 2003 · 304 citations

Natural Sciences, Mathematics, Dynamical Systems +8

Fixed point theory and nonlinear problems

Felix E. Browder · Bulletin of the American Mathematical Society · 1983 · 270 citations · Full text

Natural Sciences, Mathematics, Physics +10

Nonlinear differential equations and dynamical systems

Choice Reviews Online · 1990 · 173 citations

Natural Sciences, Mathematics, Differential Equations +16