[2] Bihari I.:
Research of the boundedness and stability of the solutions of nonlinear differential equations. Acta Math. Hungar. 8 (1957), 261 - 278.
DOI 10.1007/BF02020315 |
MR 0094516
[3] Hatvani L.:
On the asymptotic behavior of solutions of $(p(t) x')' + q(t)f(x) = 0$. Publ. Math. Debrecen 19 (1972), 225-237.
MR 0326064
[4] Kwong Man Kam, Wong J. S. W.:
Oscillation of Emden-Fowler Systems. Diff. Integ. Eqs. 1(1988), 133-141.
MR 0922556 |
Zbl 0715.34059
[6] Liang Z.:
Asymptotic character of the solutions of a class of second order nonlinear differential equations. Shuxue Jinzhan 9 (1966), 251 - 264. MR 38#4767.
MR 0236472
[8] Liang Z.:
Necessary and sufficient conditions of the stability for a class of second order nonlinear oscillations. Funkcial. Ekvac. 30 (1987), 45-55.
MR 0915260 |
Zbl 0638.34030
[9] Petty C. M., Johnson W. E.:
Properties of solutions of $u\sp{\prime\prime}+c(t)f(u)h(u\sp{\prime} )=0$ with explicit initial conditions. SIAM J. Math. Anal. 4 (1973), 269-282.
DOI 10.1137/0504026 |
MR 0335947
[10] Utz W. R.:
Properties of solutions of $u\sp{\prime\prime}+g(t)u\sp{2n-1}=0$. Monatsh. Math. 66 (1962), 55-60.
MR 0138834
[11] Wong J. S. W., Burton T. A.:
Some properties of solutions of $u\sp{\prime\prime}(t)+a(t)f(u)g(u\sp{\prime} )=0$. (II). Monatsh. Math. 69 (1965), 368-374.
MR 0186885
[12] Wong J. S. W.:
Some properties of solutions of $u\sp{\prime\prime}(t)+a(t)f(u)g(u\sp{\prime} )=0$. (III). SIAM J. Appl. Math. 14(1966), 209-214.
MR 0203167
[13] Wong J. S. W.:
Boundedness theorems of solutions of $u\sp{\prime\prime}(t)+a(t)f(u)g(u\sp{\prime} )=0$. (IV). Enseign. Math. 13 (1967), 157-165.
MR 0234059
[15] Yoshizawa T.:
Stability theory by Liapunov's second method. Math. Soc. Japan, Tokyo, 1966.
MR 0208086