@article{1183502424,
author = {Givens, Wallace},
title = {Factorization and signatures of Lorentz matrices},
journal = {Bull. Amer. Math. Soc.},
volume = {46},
number = {11},
year = {1940},
pages = { 81-85},
language = {en},
url = {http://dml.mathdoc.fr/item/1183502424}
}
Givens, Wallace. Factorization and signatures of Lorentz matrices. Bull. Amer. Math. Soc., Tome 46 (1940) no. 11, pp. 81-85. http://gdmltest.u-ga.fr/item/1183502424/