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  • Counting invertible sums of squares modulo n and a new generalization of Euler's totient function [2015]

    Category:
    Artículos
    Authors:
    Catalina Calderón , José María Grau Ribas , Antonio M. Oller Marcén , Laszlo Toth
    Date:
    01 of January of 2015
    It Is a Part of:
    Publicationes Mathematicae-Debrecen