Wu W.FLin Y.K.2019-07-242019-07-241984207462https://www.scopus.com/inward/record.uri?eid=2-s2.0-0021290502&doi=10.1016%2f0020-7462%2884%2990063-5&partnerID=40&md5=5f1fab09e08692a1421d9d1802f9cfa0https://scholars.lib.ntu.edu.tw/handle/123456789/415080Cumulant-neglect closure for non-linear oscillators under random parametric and external excitationsjournal article10.1016/0020-7462(84)90063-52-s2.0-0021290502