Oscillation theorems for second-order functional differential equations

Nonoscillation theorems for a class of nonlinear differential equations

Richard A. Moore, Zeev Nehari · Transactions of the American Mathematical Society · 1959 · 123 citations · Full text

Natural Sciences, Mathematics, Physics +13

Oscillation theorems for a second-order delay equation

John S. Bradley · Journal of Differential Equations · 1970 · 55 citations

Natural Sciences, Mathematics, Differential Equations +10

A Note on an Oscillation Criterion for anEquation with a Functional Argument

Paul Waltman · Canadian Mathematical Bulletin · 1968 · 54 citations · Full text

Natural Sciences, Mathematics, Physics +9

On nonlinear oscillations for a second order delay equation

H. E. Gollwitzer · Journal of Mathematical Analysis and Applications · 1969 · 51 citations

Natural Sciences, Mathematics, Differential Equations +11

Some oscillation criteria for second order nonlinear delay-differential equations

V. A. Staïkos, A.G Petsoulas · Journal of Mathematical Analysis and Applications · 1970 · 36 citations

Natural Sciences, Mathematics, Differential Equations +13