TY - JOUR AU - Dmitry V. Khlopin TI - On two-sided unidirectional mean value inequality in a Fr\'{e}chet smooth space JO - Ural mathematical journal PY - 2023 SP - 132 EP - 140 VL - 9 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UMJ_2023_9_2_a10/ LA - en ID - UMJ_2023_9_2_a10 ER -