Szerző: " Graef John R."

Karsai János; Graef John R.: Attractivity properties of oscillator equations with superlinear damping.
DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS SERIES A, Suppl. Vol.. pp. 497-504. ISSN 1078-0947; 1553-5231 (2005)

Karsai János; Graef John R.; Qian Chuanxi: Nonlinear damping in oscillator equations.
FOLIA FACULTATIS SCIENTIARUM NATURALIUM UNIVERSITATIS MASARYKIANAE BRUNENSIS-MATHEMATICA, 13. pp. 145-154. ISSN 0862-9846 (2003)

Graef John R.; Karsai János: Nonlinear Systems with Impulse Perturbations.
In: 3rd International Conference on Dynamic Systems and Applications, 1999.05.26-1999.05.28, Atlanta (GA). pp. 225-232.

Karsai János; Graef John R.; Li Michael Y.: On the phase volume method for nonlinear difference equations.
INTERNATIONAL JOURNAL OF DIFFERENTIAL EQUATIONS AND APPLICATIONS, 1 (1). pp. 17-35. ISSN 1311-2872 (2000)

Graef John R.; Karsai János: The Milloux-Hartman theorem for impulsive systems.
DYNAMICS OF CONTINUOUS DISCRETE AND IMPULSIVE SYSTEMS-SERIES A-MATHEMATICAL, 6 (2). pp. 155-168. ISSN 1201-3390 (1999)

Graef John R.; Hatvani László; Karsai János; Spikes Paul W.: Some stability-type results for second order nonlinear differential equations.
In: Differential Equations. Lecture Notes in Pure and Applied Mathematics ; 118 . Marcel Drekker, New York, Basel, pp. 273-281. (1989) ISBN 0824780779