Relativistic energy, fine structure and hyperfine structure of the low-lying excited states for Be-like system
张孟, 苟秉聪
Relativistic energy, fine structure and hyperfine structure of the low-lying excited states for Be-like system
Zhang Meng (张孟), Gou Bing-Cong (苟秉聪)
中国物理B . 2005, (8): 1554 -1558 .  DOI: 10.1088/1009-1963/14/8/014