TY - JOUR AU - B. G. Tasoev TI - On the best rational approximations to the transcendental numbers $\psi(x)\cdot e^x$ JO - Vladikavkazskij matematičeskij žurnal PY - 2001 SP - 23 EP - 49 VL - 3 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMJ_2001_3_2_a2/ LA - ru ID - VMJ_2001_3_2_a2 ER -