Irreducible continua with degenerate end-tranches and arcwise accessibility in hyperspaces J. Grispolakis, E. Tymchatyn (1980) Fundamenta Mathematicae
Irreducible mapping and the lightness of open mappings. Pyrih, Pavel, Bárta, Tomáš, Opěla, David, Růžička, Pavel, Šámal, Robert (2001) Southwest Journal of Pure and Applied Mathematics [electronic only]
Irreducible mappings and HU-terminal continua. Pyrih, Pavel, Bárta, Tomáš, Opěla, David, Růžička, Pavel, Šámal, Robert (1999) Southwest Journal of Pure and Applied Mathematics [electronic only]
Itération des polynômes et propriétés d'orthogonalité Pierre Moussa (1986) Annales de l'I.H.P. Physique théorique