TY - JOUR AU - O. V. Babul TI - About sieving methods in the number field sieve algorithm JO - Trudy Instituta matematiki PY - 2009 SP - 19 EP - 26 VL - 17 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMB_2009_17_1_a1/ LA - ru ID - TIMB_2009_17_1_a1 ER -