[1] J. R. Graef P. W. Spikes:
Asymptotic behaviour of solutions of a second order nonlinear differential equation. Journal of Differential Equations 17, (1975), 461-476.
MR 0361275
[2] I. T. Kiguradze:
Zametka ob ograničennosti rešenij differenciaľnych uravnenij. Trudy Tbilisskogo gosudarstvennogo universiteta, t. 110, (1965), 103-107.
MR 0208089
[3] P. Šoltés:
On certain properties of the solutions of a nonlinear differential equation of the second order. Scripta Fac. Sci. Mat. UJEP Brunensis, Arch. Math. 2, VII, (1971), 47-63.
MR 0303012
[4] P. Šoltés:
Boundedness and oscillatoriness of solutions of the equation $y" + a(x) g(y, y') + b(x) f(y)h(y') = 0$. Annales Polonici Mathematici XXVIII, (1973), 291-296.
MR 0342770
[5] P. Šoltés:
Oscillatoriness of solutions of a nonlinear second order differential equation. Math. Slovaca 26, No. 4, (1976), 337-342.
MR 0432978
[6] P. Waltman:
Some properties of solutions of u'' + a(t)f(u) = 0. Monatshefte für Mathematik 67, (1963), 50-54.
MR 0147700 |
Zbl 0116.29401
[7] J. S. Wong: Boundedness theorems for certain general second order nonlinear differential equations. Monatshefte für Mathematik 71, (1967), 80-86.
[8] J. S. Wong T. A. Burton:
Some properties of solutions $u'' + a(t) f(u) g(u') = 0$. Monatshefte für Mathematik 69, (1965), 368-374.
MR 0186885