Large integer polynomials in several variables A. Dubickas (2004) Rendiconti del Seminario Matematico della Università di Padova
Lower and upper bounds for the splitting of separatrices of a pendulum under a fast quasiperiodic forcing. Delshams, Amadeu, Gelfreich, Vassili, Jorba, Àngel, Seara, Tere M. (1997) Electronic Research Announcements of the American Mathematical Society [electronic only]
Lower bounds for the greatest prime factor of a x m + b y n Yann Bugeaud (1998) Acta Mathematica et Informatica Universitatis Ostraviensis