[1] Чантурия T. A.: О монотонных и колеблющихся решениях обыкновенных дифференциальных уравнений высших порядков. Ann. Polon. Math. 37 (1980), 93-111. DOI 10.4064/ap-37-1-93-111 | MR 0574998 | Zbl 1170.01312

[2] Elias U.: Generalizations of an Inequality of Kiguradze. J. Math. Anal. Appl. 97 (1983), 277-290. DOI 10.1016/0022-247X(83)90251-2 | MR 0721243 | Zbl 0546.34010

[3] Ohriska J.: Oscillation of Second Order Delay and Ordinary Differential Equation. Czech. Math. J. 34 (109) (1984), 107-112. MR 0731983 | Zbl 0543.34054

[4] Philos Ch. G.: Oscillatory and Asymptotic Behavior of the Bounded Solutions of Differential Equations with Deviating Arguments. Hiroshima Math. J. 8 (1978), 31-48. DOI 10.32917/hmj/1206135558 | MR 0481368 | Zbl 0378.34055

[5] Philos Ch. G.: Oscillatory and asymptotic behaviour of all solutions of differential equations with deviating arguments. Proc. Roy. Soc. Edinburgh 81 A (1978), 195-210. MR 0516413 | Zbl 0417.34108

[6] Philos Ch. G., Sficas Y. G., Staikos V. A.: Some Results on the Asymptotic Behavior of Nonoscillatory Solutions of Differential Equations with Deviating Arguments. J. Austral. Math. Soc. (Series A) 32 (1982), 295-317. DOI 10.1017/S144678870002485X | MR 0652407 | Zbl 0499.34053

[7] Švec M.: Behavior of Nonoscillatory Solutions of Some Nonlinear Differential Equations. Acta Math. Univ. Comen. 39 (1980), 115-130. MR 0619268