TY - JOUR AU - A. Martínez-Finkelshtein TI - On the rate of rational approximation of the function $\exp(-x)$ on the positive semi-axis JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1991 SP - 94 EP - 96 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1991_6_a19/ LA - ru ID - VMUMM_1991_6_a19 ER -