%0 Journal Article %T In memory of Boris Nikitovich Shapukov (15.02.1937--13.02.2007) %J Lobachevskii journal of mathematics %D 2007 %P 3-4 %V 26 %I mathdoc %U http://geodesic.mathdoc.fr/item/LJM_2007_26_a0/ %G en %F LJM_2007_26_a0