Frattini Covers and Projective Groups Without the Extension Property. Y. Ershov; M. Fried — 1980 Mathematische Annalen
Correction to the paper "Moduli spaces of covers and the Hurwitz monodromy group". M. Fried; R. Biggers — 1983 Journal für die reine und angewandte Mathematik
Moduli spaces of covers and the Hurwitz monodromy group. M. Fried; R. Biggers — 1982 Journal für die reine und angewandte Mathematik
Corrigendum and addendum to the paper "Reducibility of quadrinomials" (Acta Arith. 21 (1972), 153-171) M. Fried; A. Schinzel — 2001 Acta Arithmetica