@article{1103859367,
author = {Miyata, Hideo},
title = {On clustering states},
journal = {Comm. Math. Phys.},
volume = {29},
number = {1},
year = {1973},
pages = { 1-6},
language = {en},
url = {http://dml.mathdoc.fr/item/1103859367}
}
Miyata, Hideo. On clustering states. Comm. Math. Phys., Tome 29 (1973) no. 1, pp. 1-6. http://gdmltest.u-ga.fr/item/1103859367/