Geodesic
The Oscillatory Behavior of a First Order Non-Linear Differential Equation with Delay
Canadian mathematical bulletin, Tome 17 (1974) no. 2, pp. 185-188

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

This paper establishes the existence of an infinite set of zeros for the solution of a certain functional differential equation. The primary condition assuring this oscillatory behavior is expressed in terms of the magnitude of the delay. 
Burkowski, Forbes J.; Ponzo, Peter J. The Oscillatory Behavior of a First Order Non-Linear Differential Equation with Delay. Canadian mathematical bulletin, Tome 17 (1974) no. 2, pp. 185-188. doi: 10.4153/CMB-1974-037-3
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