%0 Journal Article %A M. M. Grinenko %T Birational automorphisms of a~three-dimensional double quadric with an~elementary singularity %J Sbornik. Mathematics %D 1998 %P 97-114 %V 189 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1998_189_1_a4/ %G en %F SM_1998_189_1_a4