TY - JOUR AU - Rzepecki, Bogdan TI - An application of a fixed point principle of Sadovskij to differential equations on the real line JO - Commentationes Mathematicae Universitatis Carolinae PY - 1985 SP - 713 EP - 717 VL - 26 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1985__26_4_a8/ LA - en ID - CMUC_1985__26_4_a8 ER -