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@article{MOMA_1966__70_177327, author = {K. Nageswara Rao}, title = {On the {Unitary} {Analogues} of {Certain} {Totients.}}, journal = {Monatshefte f\"ur Mathematik}, pages = {149--154}, publisher = {mathdoc}, volume = {70}, year = {1966}, zbl = {0139.27001}, url = {http://geodesic.mathdoc.fr/item/MOMA_1966__70_177327/} }
K. Nageswara Rao. On the Unitary Analogues of Certain Totients.. Monatshefte für Mathematik, Tome 70 (1966), pp. 149-154. http://geodesic.mathdoc.fr/item/MOMA_1966__70_177327/