1. Every difference polynomial has a connected zero-set;Abhyankar;J. Indian ath. Soc.,1979
2. Kryterium absolutnej nierozkladalnosci wielomianow;Ehrenfeucht;Prace Math.,1958
3. Some criteria for irreducibility of polynomials;Panitopol;Bull. Math. Soc. Sci. Math. R. S. Roumanie (N. S.),1985
4. On difference polynomials and hereditarily irreducible polynomials;Rubel;J. Number Theory,1980
5. Reducibility of polynomials in several variables;Schinzel;Bull. Acad. Polon. Sci. Ser. Sci. Math. Aster. Phys.,1963