Ernie Croot Ren-Cang Li Hui June Zhu The abc conjecture and correctly rounded reciprocal square roots. 405-417 2004 315 Theor. Comput. Sci. 2-3 http://dx.doi.org/10.1016/j.tcs.2004.01.013 db/journals/tcs/tcs315.html#CrootLZ04