一类具有连续偏差变元的二阶半线性微分方程的振动准则
王培光,唐楠,高春霞
Oscillation of Second Order Half-linear Differential Equation with Distributed Deviating Argument
Wang Pei-guang,TANG Nan,GAO Chun-xia
河北大学学报(自然科学版) . 2005, (6): 574 -579 .  DOI: 10.3969/j.issn.1000-1565.2005.06.003