Erich Kaltofen, David R. Musser, B. David Saunders. A generalized class of polynomials that are hard to factor. In Paul S. Wang, editor, SYMSAC 1981, Proceedings of the Symposium on Symbolic and Algebraic Manipulation, Snowbird, Utah, USA, August 5-7, 1981. pages 188-194, ACM, 1981. [doi]
Abstract is missing.