[1] GRACE S. R., LALLI B. S.:
Oscillation theorems for nth oгder nonlinear differential equations with deviating arguments. Proc Amer. Math. Soc., 90, 1984, 65-70.
MR 0722416
[2] GRACE S. R., LALLI B. S.:
Oscillation theorems for nth order delay differential equations. J. Math. Anal. Appl., 91, 1983, 352-366.
MR 0690876 |
Zbl 0546.34055
[3] GRACE S. R., LALLI B. S.:
Oscillation theorems for damped differential equations of even order with deviating arguments. Siam J. Math. Anal., 15, 1984, 308-316.
MR 0731869 |
Zbl 0542.34057
[4] GRACE S. R., LALLI B. S.:
Oscillation theorems for nth order nonlinear differential equations with deviating arguments. Math. Nachr. (To appear.)
Zbl 0562.34056
[5] KARTSATOS A. G.:
On nth order differential inequalities. J. Math. Anal. Appl., 52, 1975, 1-9.
MR 0390369
[6] KARTSATOS A. G.:
Recent results on oscillation of solutions of forced and perturbed nonlinear differential equations of even order. In: Stability of Dynamical Systems: Theory and Applications. Lecture Notes in Pure and Appl. Math., No. 28. Dekker, New York 1977, pp. 17-72.
MR 0594954 |
Zbl 0361.34031
[7] KIGURADZE I. T.:
The problem of oscillation of solutions of nonlinear differential equations. Differencialnye Uravnenija, 8, 1965, 995-1006.
MR 0194689 |
Zbl 0155.41802
[8] KITAMURA Y., KUSANO T.:
An oscillation theorem for a sublinear functional differential equation with general deviating arguments. Bull. Austral. Math. Soc., 18, 1978, 395-402.
MR 0508810
[9] KOPLATADZE R. G., CHANTURIA T. A.: On Oscillatory Properties of Differential Equations with a Deviating Argument. (Russian.) Tbilisi Univ. Press, Tbilisi 1977.
[10] KUSANO T., ONOSE H.:
On the oscillation of solutions of nonlinear functional differential equations. Hiroshima Math. J., 6, 1976, 635-645.
MR 0425304 |
Zbl 0384.34050
[11] LOVELADY D. L.:
Oscillation and a class of linear delay differential equations. Trans. Amer. Math. Soc., 226, 1977, 345-364.
MR 0430471 |
Zbl 0355.34059
[12] MAHFOUD W. E.:
Remarks on some oscillation theorems for nth oгdeг differential equations with a retarded argument. J. Math. Anal. Appl., 62, 1978, 68-80.
MR 0481367
[13] PHILOS, Ch. G.:
Oscillatory and asymptotic behavier of ѕtrongly ѕublinear differential equationѕ with deviating argumentѕ. Ann. Mat. Pura Appl., 126, 1980, 342-361.
MR 0612367
[14] STAIKOS V. A.: Baѕic reѕultѕ on oѕcillation for differential equationѕ with deviating argumentѕ. Hiroshima Math. J., 10, 1980, 495-516.