[1] CANTURIJA T. A.:
Some comparison theorems for higher order ordinary differential equations. Bull. Acad. Polon. Sci. Séг. Sci. Tech. 25 (1977), 745-756.
MR 0477269
[2] ČANTURIJA T. A.-KIGURADZE I. T.: Asymptotic Properties of Solutions of Nonautonomous Ordinary Differential Equations. Nauka, Moscow, 1990. (Russian)
[4] ELIAS U.:
Generalizations of an inequality of Kiguradze. J. Math. Anal. Appl. 97 (1983), 277-290.
MR 0721243 |
Zbl 0546.34010
[5] FOSTER K. E.-GRIMMER R. C.:
Nonoscillatory solutions of higher order differential equations. J. Math. Anal. Appl. 71 (1979), 1-17.
MR 0545858 |
Zbl 0428.34029
[6] HARTMAN P.-WINTNER A.:
Linear differential and difference equations with monotone solutions. Amer. J. Math. 75 (1953), 731-743.
MR 0057404 |
Zbl 0051.07105
[7] KUSANO T.-NAITO M.:
Comparison theorems for functional differential equations with deviating arguments. J. Math. Soc. Japan 3 (1981), 509-532.
MR 0620288 |
Zbl 0494.34049
[8] TANAKA K.:
Asymptotic analysis of odd order ordinary differential equations. Hiroshima Math. J. 10 (1980), 391-408.
MR 0577867 |
Zbl 0453.34033