@article{00733113,
title = {Roots of the phase operators.},
journal = {Georgian Mathematical Journal},
volume = {2},
year = {1995},
pages = {37-43},
doi = {10.1007/BF02257732},
zbl = {0822.47058},
language = {en},
url = {http://dml.mathdoc.fr/item/00733113}
}
Jorjadze, G.; Sarishvili, I. Roots of the phase operators.. Georgian Mathematical Journal, Tome 2 (1995) pp. 37-43. doi : 10.1007/BF02257732. http://gdmltest.u-ga.fr/item/00733113/