relation: https://eprints.uet.vnu.edu.vn/eprints/id/eprint/1789/ title: 1/3 SUBHARMONIC RESPONSE OF DUFFING OSCILLATOR UNDER PERIODIC AND RANDOM EXCITATIONS creator: Nguyen, Dong Anh creator: V., L. Zakovorotny creator: D., N. Hao creator: N., X. Chiem subject: Engineering Mechanics date: 2015 type: Article type: PeerReviewed identifier: Nguyen, Dong Anh and V., L. Zakovorotny and D., N. Hao and N., X. Chiem (2015) 1/3 SUBHARMONIC RESPONSE OF DUFFING OSCILLATOR UNDER PERIODIC AND RANDOM EXCITATIONS. Journal Bulletin DGTU .