@article{1103859406, author = {Rocca, F. and Sirugue, M.}, title = {Phase operator and condensed systems}, journal = {Comm. Math. Phys.}, volume = {29}, number = {1}, year = {1973}, pages = { 111-121}, language = {en}, url = {http://dml.mathdoc.fr/item/1103859406} }
Rocca, F.; Sirugue, M. Phase operator and condensed systems. Comm. Math. Phys., Tome 29 (1973) no. 1, pp. 111-121. http://gdmltest.u-ga.fr/item/1103859406/