%0 Journal Article %A Kh. D. Ikramov %T Evenness of the Jordan structure of block quaternions with real spectra and its computational consequences %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1997 %P 1029-1033 %V 37 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1997_37_9_a1/ %G ru %F ZVMMF_1997_37_9_a1