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@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/} }
Jorjadze, G.; Sarishvili, I. Roots of the phase operators.. Georgian Mathematical Journal, Tome 2 (1995) no. 1, pp. 37-43. http://geodesic.mathdoc.fr/item/GMJ_1995__2_1_47255/