On iterations of Misiurewicz's rational maps on the Riemann sphere P. Grzegorczyk; F. Przytycki; W. Szlenk — 1990 Annales de l'I.H.P. Physique théorique
Porosity of Julia sets of non-recurrent and parabolic Collet-Eckmann rational functions. Przytycki, F.; Urbański, M. — 2001 Annales Academiae Scientiarum Fennicae. Mathematica