%0 Journal Article %A N. A. Vavilov %A A. Yu. Luzgarev %T Chevalley group of type $\mathrm E_7$ in the 56-dimensional representation %J Zapiski Nauchnykh Seminarov POMI %D 2011 %P 5-99 %V 386 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2011_386_a0/ %G ru %F ZNSL_2011_386_a0