Chen, K., 		Zhang, Q., & 		Zhang, S.
(2017).
 A time-step insensitive recurrent approach to analyze non-stationary random responses.
<em>Computer Assisted Methods In Engineering And Science, 16</em>(1), 1-9.
Retrieved from <a href="https://cames.ippt.gov.pl/index.php/cames/article/view/159" target="_new">https://cames.ippt.gov.pl/index.php/cames/article/view/159</a>