[1] KИГУРАДЗЕ И. T.:
К вопросу колеблемости решений нелинейных дифференциальных уравнений. Дифф. уравнения 8, 1965, 999-1006.
Zbl 0314.35045
[2] KUSANO T., ONOSE H.:
Oscillation of Solutions of Nonlinear Differential Delay Equations of Arbitrary Order. Hiroshima Math. J. 1, 1972, 1-13.
MR 0324175 |
Zbl 0269.34064
[3] LADAS G.:
Oscillation and Asymptotic Behavior of Solutions of Differential Equations with Retarded Argument. J. diff. Equations 10, 1971, 281-290.
MR 0291590 |
Zbl 0216.12002
[4] LIČKO I., ŠVEC M.:
Le caractére oscillatoire des solutions de l'équation $y^{(n)}+f(x)y^{\alpha }=0$, $n>1$. Czech. Math. J. 13, 1963, 481-491.
MR 0161001
[5] MARUŠIAK P.: Note on the Ladas Paper on Oscillation and Asymptotic Behavior of Solutions of Differential Equations with Retarded Argument. J. diff. Equation 1, 1973, 450-456.
[6] MARUŠIAK P.:
Oscillation of Solutions of the Delay Differential Equation $y^{(2n)}(t)+\sum^m_{i=1}p_i(t) f_j(y[h_i(t)])=0$,\quad $n\geq 1$. Čas. Pěst. Mat. 1, 1974, 131-141.
MR 0404810
[7] ONOSE H.:
Some Oscillation Criteria for n-th Order Nonlinear Delay-Differential Equations. Hiroshima Math. J. 2, 1971, 171-176.
MR 0312032 |
Zbl 0282.34050
[8] STAIKOS V. A., SFICAS Y. G.:
Oscillatory and Asymptotic Behavior of Functional Differential Equations. J. diff. Equations 3, 1972, 426-437.
MR 0330707 |
Zbl 0247.34076
[9] ШЕВЕЛО. В. Н., ВАРЕХ И. В.:
О некоторых свойствах решний дифференциальных уравнений с запаздыванием. Укр. Мат. Ж. 6, 1972, 807-813.
Zbl 1156.34335