TY - JOUR AU - Janoš, Ludvík TI - Some cohomological aspects of the Banach fixed point principle JO - Mathematica Bohemica PY - 2011 SP - 333 EP - 336 VL - 136 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/MB.2011.141653/ DO - 10.21136/MB.2011.141653 LA - en ID - 10_21136_MB_2011_141653 ER -