%0 Journal Article %A O. V. Babul %T About sieving methods in the number field sieve algorithm %J Trudy Instituta matematiki %D 2009 %P 19-26 %V 17 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMB_2009_17_1_a1/ %G ru %F TIMB_2009_17_1_a1