Eun Ji Jang, Won Sang Chung
      Several solutions of the damped harmonic oscillator with time-dependent frictional coefficient and time-dependent frequency
      Advanced Studies in Theoretical Physics, Vol. 11, 2017, no. 6, 263-273
      https://doi.org/10.12988/astp.2017.6726
Copyright © 2017 Eun Ji Jang and Won Sang Chung. This article is distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.