TY - JOUR AU - R. Bartłomiejczyk AU - S. Łanowy TI - Multistep schemes for one-point optimal iterative functions JO - Mathematica Applicanda PY - 1975 SP - 61 EP - 67 VL - 3 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/ma.v3i5.1184/ DO - 10.14708/ma.v3i5.1184 LA - pl ID - 10_14708_ma_v3i5_1184 ER -