Author: Grace, Said R.

Grace, Said R.: Oscillatory behaviour of certain difference equations. (English). Mathematica Slovaca, vol. 50 (2000), issue 3, pp. 345-355
Grace, Said R.: Oscillation theorems of comparison type of delay differential equations with a nonlinear damping term. (English). Mathematica Slovaca, vol. 44 (1994), issue 3, pp. 303-314
Grace, Said R.: Oscillation of even order nonlinear functional differential equations with deviating arguments. (English). Mathematica Slovaca, vol. 41 (1991), issue 2, pp. 189-204
Grace, Said R.; Lalli, Bikkar S.: Oscillation theorems for nonlinear second order differential equations with a damping term. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 30 (1989), issue 4, pp. 691-697
Grace, Said R.; Lalli, Bikkar S.: Oscillation theorem for a second order nonlinear ordinary differential equation with damping term. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 27 (1986), issue 3, pp. 449-453
Grace, Said R.; Lalli, Bikkar S.: An oscillation criterion for $n$-th order nonlinear differential equations with retarded arguments. (English). Czechoslovak Mathematical Journal, vol. 34 (1984), issue 1, pp. 18-(21)

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