[1] M. Bartušek: The Asymptotic Behaviour of Oscillatory Solutions of the Equation of the Fourth Order. Arch. Math. (Brno), 21, No. 2 (1985), 93-104. MR 0817551

12] M. Bartušek: On Properties of Oscillatory Solutions of Non-linear Differential Equations of the n-th Order. Differential Equations and Their Applications, Equadiff 6, Proc. бth Int. Coпf. Brno, Lecture Notes Matћ., 1192, 107-113.

13] M. Bartušek: On Oscillatory Solution of the Differential Equation of the n-th Order. Arch. Math. (Brno), 22, No. 3 (1986), 145-156. MR 0868130

[4] M. Bartušek: On Proper Oscillatory Solutions of the Non-linear Differential Equations of the n-th Order. Arch. Math. (Brno), 24, No. 2 (1988), 89-98. MR 0983227

[5] F. Beckeпbach R. Bellman: Inequalities. Springeг Verlag, Berlin, 1961. MR 0158038

16] И. T. Қигypaдзe: Heкomopыe cuнгyляpныe кpaeвыe зaдaчu для oбыкнoвeнныx дuффepeнцuaльныx ypaянeнuщ. Из. Tбилиc. yнив., Tбилиcи, 1975.

[7] I. T. Kiguradze: On Vanishing at Infinity of Solutions of Ordinary Differential Equations. Czech. Math. J., 33 (108) 1983, 613-646. MR 0721090 | Zbl 0567.34038

[8] И. T. Kигypaдзe: Oб oднoй кpaeвoй зaдaчe c ycлoвueм нa бecкoнeчнocmu для oбыкнoвeнныx дuффepeнuuaльныx ypaвнeнuй выcшux nopядкoв. Tp. Bcecoюзнoгo cимпoзиyмa в Tбилиcи 21-23 aп. 1982 г. Изд. Tбилиc. yн-тa, Tбилиcи 1986, 91-105.

[9] J. S. E. Wong: On the Generalized Emden-Fowler Equation. SIAM Rev., 17, No. 2, 1975, 339-360. MR 0367368 | Zbl 0295.34026