TY - JOUR AU - Sam B. Nadler, Jr. TI - Some problems concerning stability of fixed points JO - Colloquium Mathematicum PY - 1973 SP - 263 EP - 268 VL - 27 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-27-2-263-268/ DO - 10.4064/cm-27-2-263-268 LA - en ID - 10_4064_cm_27_2_263_268 ER -