If you steal from one author, it’s plagiarism; if you steal from many, it’s research.
Literature is the question minus the answer.
Everything that can be invented, has been invented.
—Charles H. Duell, 1899
 Adkins, W. A. and S. H. Weintraub (1992). Algebra: An Approach via Module Theory. Graduate Texts in Mathematics, 136. New York: Springer.
 Adleman, L. M., J. DeMarrais and M.-D. A. Huang (1994). “A Subexponential Algorithm for Discrete Logarithms over the Rational Subgroup of the Jacobians of Large Genus Hyperelliptic Curves over Finite Fields”, Algorithmic Number Theory—ANTS-I, Lecture Notes in Computer Science, 877. pp. 28–40. Berlin/Heidelberg: Springer.
 Adleman, L. M. and M.-D. A. ...