Brouwer, P. W.; Beenakker, C. W. J. (1996). "Diagrammatic method of integration over the unitary group, with applications to quantum transport in mesoscopic systems". Journal of Mathematical Physics. 37 (10): 4904–4934. arXiv:cond-mat/9604059. Bibcode:1996JMP....37.4904B. doi:10.1063/1.531667.
Brouwer, P. W.; Beenakker, C. W. J. (1996). "Diagrammatic method of integration over the unitary group, with applications to quantum transport in mesoscopic systems". Journal of Mathematical Physics. 37 (10): 4904–4934. arXiv:cond-mat/9604059. Bibcode:1996JMP....37.4904B. doi:10.1063/1.531667.
Brouwer, P. W.; Beenakker, C. W. J. (1996). "Diagrammatic method of integration over the unitary group, with applications to quantum transport in mesoscopic systems". Journal of Mathematical Physics. 37 (10): 4904–4934. arXiv:cond-mat/9604059. Bibcode:1996JMP....37.4904B. doi:10.1063/1.531667.