国家自然科学基金资助项目(11202090,11172120,10932002)
宋端,刘世兴. Birkhoff意义下HojmanUrrutia方程的离散变分计算[J].动力学与控制学报,2013,11(3):199~202; Song Duan, Liu Shixing. Discrete variational calculation of hojmanurrutia equation in the birkhoffian sense[J]. Journal of Dynamics and Control,2013,11(3):199-202.
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