TY - JOUR AU - A. I. Ognev TI - Metric properties of a certain class of mappings of a segment JO - Matematičeskie zametki PY - 1981 SP - 723 EP - 736 VL - 30 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1981_30_5_a9/ LA - ru ID - MZM_1981_30_5_a9 ER -