%0 Journal Article
%A M. M. Grinenko
%T Birational properties of pencils of del Pezzo surfaces of~degrees~1 and~2.~II
%J Sbornik. Mathematics
%D 2003
%P 669-695
%V 194
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_2003_194_5_a1/
%G en
%F SM_2003_194_5_a1