Li, Tongxing, Rogovchenko, Yuriy and Tang, Shuhong. "Oscillation of second-order nonlinear differential equations with damping"
Mathematica Slovaca, vol. 64, no. 5, 2014, pp. 1227-1236.
https://doi.org/10.2478/s12175-014-0271-1
Li, T., Rogovchenko, Y. and Tang, S. (2014) Oscillation of second-order nonlinear differential equations with damping. Mathematica Slovaca, Vol. 64 (Issue 5), pp. 1227-1236.
https://doi.org/10.2478/s12175-014-0271-1
Li, Tongxing, Rogovchenko, Yuriy and Tang, Shuhong. "Oscillation of second-order nonlinear differential equations with damping"
Mathematica Slovaca 64, no. 5 (2014): 1227-1236.
https://doi.org/10.2478/s12175-014-0271-1