TY - JOUR AU - P. A. Borodin AU - O. N. Kosukhin TI - On approximation by the simplest fractions on the real axis JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2005 SP - 3 EP - 8 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_2005_1_a0/ LA - ru ID - VMUMM_2005_1_a0 ER -