Generalizations of some irreducibility results by Schur T. N. Shorey, R. Tijdeman (2010) Acta Arithmetica
Generalized Hilbert fields. Kazimierz Szymiczek (1981) Journal für die reine und angewandte Mathematik
Greatest distance between zeros of integral polynomials P. E. Blanksby (1985) Banach Center Publications