反西格马负超子(Σ-)的发现前后
丁兆君, 李守忱
Before and after the discovery of anti-sigma negative hyperon
DING Zhaojun, LI Shouchen
科技导报 . 2020, (23): 144 -152 .  DOI: 10.3981/j.issn.1000-7857.2020.23.015