The arithmetic-geometric mean and its generalizations for noncommuting linear operators
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Volume 15 (1988) no. 2, p. 239-308
@article{ASNSP_1988_4_15_2_239_0,
author = {Nussbaum, Roger D. and Cohen, Joel E.},
title = {The arithmetic-geometric mean and its generalizations for noncommuting linear operators},
journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
publisher = {Scuola normale superiore},
volume = {Ser. 4, 15},
number = {2},
year = {1988},
pages = {239-308},
zbl = {0756.47018},
mrnumber = {1007399},
language = {en},
url = {http://www.numdam.org/item/ASNSP_1988_4_15_2_239_0}
}

Nussbaum, Roger D.; Cohen, Joel E. The arithmetic-geometric mean and its generalizations for noncommuting linear operators. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Volume 15 (1988) no. 2, pp. 239-308. http://www.numdam.org/item/ASNSP_1988_4_15_2_239_0/

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