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Oscillation Criteria for Second Order Nonlinear Delay Equations
Canadian mathematical bulletin, Tome 16 (1973) no. 1, pp. 49-56

Voir la notice de l'article provenant de la source Cambridge University Press

It is the purpose of this paper to establish oscillation criteria for second order nonlinear differential equations with retarded argument. Specifically, we consider the equation 1.1 where f ∊ C[0, + ∞) x R 2, g ∊ C[0, + ∞), and 1.2 We shall restrict attention to solutions of (1.1) which exist on some ray [T, + ∞). A solution of (1.1) is called oscillatory if it has no largest zero. 
Erbe, Lynn. Oscillation Criteria for Second Order Nonlinear Delay Equations. Canadian mathematical bulletin, Tome 16 (1973) no. 1, pp. 49-56. doi: 10.4153/CMB-1973-011-1
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