Type of integral and reduction for a generalized Birkhoffian system
吴惠彬, 梅凤翔
Type of integral and reduction for a generalized Birkhoffian system
Wu Hui-Bin(吴惠彬) and Mei Feng-Xiang(梅凤翔)
中国物理B . 2011, (10): 104501 -104501 .  DOI: 10.1088/1674-1056/20/10/104501