@article{GMJ_1995__2_1_47255,
     author = {Jorjadze, G. and Sarishvili, I.},
     title = {Roots of the phase operators.},
     journal = {Georgian Mathematical Journal},
     pages = {37--43},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {1995},
     zbl = {0822.47058},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/GMJ_1995__2_1_47255/}
}