Stability with respect to partial variables for Birkhoff systems
梅凤翔, 吴惠彬, 尚玫, 张永发
Stability with respect to partial variables for Birkhoff systems
Mei Feng-Xiang(梅凤翔), Wu Hui-Bin(吴惠彬), Shang Mei(尚玫), and Zhang Yong-Fa(张永发)
中国物理B . 2006, (9): 1932 -1934 .  DOI: 10.1088/1009-1963/15/9/005