%0 Journal Article %A Igor G. Korepanov %A Nurlan M. Sadykov %T Pentagon Relations in Direct Sums and Grassmann Algebras %J Symmetry, integrability and geometry: methods and applications %D 2013 %V 9 %U http://geodesic.mathdoc.fr/item/SIGMA_2013_9_a29/ %G en %F SIGMA_2013_9_a29