1. On the structure of some flows on the unit circle;Bajger;Aequationes Math.,1998
2. On the embedability of a homeomorphism of the circle in disjoint iteration group;Ciepliński;Publ. Math. Debrecen,1999
3. On a system of Schröder equations on the circle;Ciepliński;Internat. J. Bifur. Chaos Appl. Sci. Engrg.,2003
4. Ergodic Theory;Cornfeld,1982
5. Babagge equation on the circle;Jarczyk;Publ. Math. Debrecen,2003