TY - JOUR AU - S. Czerwik TI - On a differential equation with deviating argument JO - Commentationes Mathematicae PY - 1977 SP - 183 EP - 187 VL - 19 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.14708/cm.v19i2.5854/ DO - 10.14708/cm.v19i2.5854 LA - pl ID - 10_14708_cm_v19i2_5854 ER -