%0 Journal Article %A I. A. Bizyaev %A A. V. Borisov %A I. S. Mamaev %T Generalizations of the Kovalevskaya case and quaternions %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2016 %P 41-52 %V 295 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2016_295_a2/ %G ru %F TM_2016_295_a2