@article{Azzalini2003,
author = {Azzalini, A. and Capitanio, A.},
title= {Distributions generated by perturbation of symmetry with emphasis on a multivariate skew t-distribution},
year = {2003},
doi = {10.1111/1467-9868.00391},
volume = {65},
number = {2},
pages = {367--389},
}