Author: Graef, John R.

Graef, John R.; Kong, Lingju; Yang, Bo: Positive solutions for third order multi-point singular boundary value problems. (English). Czechoslovak Mathematical Journal, vol. 60 (2010), issue 1, pp. 173-182
Graef, John R.; Spikes, Paul W.: Continuability, boundedness, and convergence to zero of solutions of a perturbed nonlinear ordinary differential equation. (English). Czechoslovak Mathematical Journal, vol. 45 (1995), issue 4, pp. 663-683
Graef, John R.; Spikes, Paul W.: On the oscillatory behavior of solutions of second order nonlinear differential equations. (English). Czechoslovak Mathematical Journal, vol. 36 (1986), issue 2, pp. 275-284

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