TY - JOUR AU - Pupka, Krzysztof TI - Fixed points of periodic and firmly lipschitzian mappings in Banach spaces JO - Commentationes Mathematicae Universitatis Carolinae PY - 2012 SP - 573 EP - 579 VL - 53 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_2012__53_4_a5/ LA - en ID - CMUC_2012__53_4_a5 ER -