2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/72989The original version of this paper did not take into account that there may be solutions (x_0, y_o)in Z X Z of f(x,y) = x^3 + p(y)x + q(y) = 0 even though w_0 = (-3D(y_0))^(1/2) is irrational.PDF, 2pagesNumber Theory11text