TY - JOUR AU - M. V. Novitskii TI - An analogue of an inequality of Kolmogorov--Markov type for ordinary differential operators JO - Matematičeskie zametki PY - 1993 SP - 80 EP - 91 VL - 53 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1993_53_3_a8/ LA - ru ID - MZM_1993_53_3_a8 ER -