@article{AIHPA_1975__23_4_335_0,
     author = {Havl{\'\i}\v{c}ek, M. and Exner, P.},
     title = {Matrix canonical realizations of the {Lie} algebra $o(m, n)$. {I.} {Basic} formul{\ae} and classification},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {335--347},
     publisher = {Gauthier-Villars},
     volume = {23},
     number = {4},
     year = {1975},
     mrnumber = {400945},
     zbl = {0365.17004},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1975__23_4_335_0/}
}