# A Time Variational Method for the Approximate Solution of Nonlinear Systems Undergoing Multiple-Frequency Excitations

> Research article (Journal of Computational and Nonlinear Dynamics, 2020) · cited 14× · AI/ML

**Wikidata**: [openalex:W3000191026](https://www.wikidata.org/wiki/openalex:W3000191026)  
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