%0 Journal Article %A A. S. Tikhomirov %T A four-dimensional bundle of quadrics, and a~monad %J Izvestiya. Mathematics %D 1981 %P 207-220 %V 16 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1981_16_1_a10/ %G en %F IM2_1981_16_1_a10