Wang, Z., Lu, S., & Cao, J. (2014). Periodic solutions of second-order neutral functional differential systems with time-varying operator and delays. Нелінійні коливання.
Chicago Style (17th ed.) CitationWang, Zhengxin, Shiping Lu, and Jinde Cao. "Periodic Solutions of Second-order Neutral Functional Differential Systems with Time-varying Operator and Delays." Нелінійні коливання 2014.
MLA (8th ed.) CitationWang, Zhengxin, et al. "Periodic Solutions of Second-order Neutral Functional Differential Systems with Time-varying Operator and Delays." Нелінійні коливання, 2014.
Warning: These citations may not always be 100% accurate.