Caviness, B. F.; Fateman, R. J. "Simplification of Radical Expressions"(PDF). Proceedings of the 1976 ACM Symposium on Symbolic and Algebraic Computation. p. 329.
Cox, David A. (2012). Galois Theory. Pure and Applied Mathematics: A Wiley Series of Texts, Monographs and Tracts (2nd ed.). John Wiley & Sons. p. 526. ISBN978-1-118-07205-9.
Fowler, David; Robson, Eleanor (November 1998). "Square Root Approximations in Old Babylonian Mathematics: YBC 7289 in Context". Historia Mathematica. 25 (4). Elsevier: 366–378. doi:10.1006/hmat.1998.2209.
Von Fritz, Kurt (April 1945). "The Discovery of Incommensurability by Hippasus of Metapontum". Annals of Mathematics. 46 (2): 242–264. doi:10.2307/1969021. JSTOR1969021.
Richard, Zippel (1985). "Simplification of Expressions Involving Radicals". Journal of Symbolic Computation. 1 (189–210): 189–210. doi:10.1016/S0747-7171(85)80014-6.
Chen, S.-G.; Hsieh, P. Y. (1989). "Fast computation of the Nth root". Computers & Mathematics with Applications. 17 (10): 1423–1427. doi:10.1016/0898-1221(89)90024-2.
Von Fritz, Kurt (April 1945). "The Discovery of Incommensurability by Hippasus of Metapontum". Annals of Mathematics. 46 (2): 242–264. doi:10.2307/1969021. JSTOR1969021.