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蔡江涛,杨柳,肖娟
Oscillation of Solutions to a Class of Even Order Neutral Partial Differential Equations with Damping Terms and Continuously Distributed Delays
CAI Jiang-tao,YANG Liu,XIAO Juan
河北大学学报(自然科学版) . 2009, (5): 452 -456 .  DOI: 10.3969/j.issn.1000-1565.2009.05.002