1. Difference Equations and Inequalities;Agarwal,1992
2. On some properties of the equation y″(x) + ƒ(x)yα(x) = 0,0 < α < 1;Belohorec;Matematicky Casopis,1967
3. Spectral analysis of second order difference equations;Hinton;J. Math. Anal. Appl.,1978
4. A second order nonlinear difference equation: oscillation and asymptotic behavior;Hooker;J. Math. Anal. Appl.,1983
5. Infinite Sequences and Series;Knopp,1956