Saddlepoint approximations for distributions of quadratic forms in normal variables

Kuonen, D.2006-04-212006-04-212006-04-21199910.1093/biomet/86.4.929https://infoscience.epfl.ch/handle/20.500.14299/229823WOS:0000848330000152460Saddlepoint approximations for distributions of quadratic forms in normal variablestext::journal::journal article::research article