@inproceedings{m1975matrix,
title={MATRIX CANONICAL REALIZATIONS OF THE LIE ALGEBRA sigma (m,n). 1. BASIC FORMULAS AND CLASSIFICATION},
author={M Havlicek, and Pavel Exner},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020134437663993769},
booktitle={Annales de l'Institut Henri Poincare, Physique Theorique},
volume={23},
pages={335},
year={1975},
}
M Havlicek, and Pavel Exner. MATRIX CANONICAL REALIZATIONS OF THE LIE ALGEBRA sigma (m,n). 1. BASIC FORMULAS AND CLASSIFICATION. 1975. Vol. 23. In Annales de l'Institut Henri Poincare, Physique Theorique. pp.335. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020134437663993769.