Distribution of the Quaternary Linear Homogeneous Substitutions in a Galois Field into Complete Sets of Conjugate Substitutions
T. M. Putnam · American Journal of Mathematics · 1901
T. M. Putnam, Distribution of the Quaternary Linear Homogeneous Substitutions in a Galois Field into Complete Sets of Conjugate Substitutions, American Journal of Mathematics, Vol. 23, No. 1 (Jan., 1901), pp. 41-48