El-Kassar, A. M. (1991). Generalizations of Lehmer's equations, greatest common divisor matrices, and Euler's totient for a UFD.
Chicago Style (17th ed.) CitationEl-Kassar, A. M. Generalizations of Lehmer's Equations, Greatest Common Divisor Matrices, and Euler's Totient for a UFD. 1991.
MLA (9th ed.) CitationEl-Kassar, A. M. Generalizations of Lehmer's Equations, Greatest Common Divisor Matrices, and Euler's Totient for a UFD. 1991.
Warning: These citations may not always be 100% accurate.