[MathOuvrage]
Cluster algebras and Poisson geometry
/ Gekhtman, Michael ; Shapiro, Michael ; Vainshtein, Alek.
-Providence RI : American mathematical Society, 2010. - xv, 246 p. ; 26 cm
ISBN 9780821849729
[MathOuvrage]
Invariant forms on Grassmann manifolds
/ Stoll, Wilhelm.
-Princeton NJ : Princeton university Press, 1977. - ix, 112 p. ; 23 cm
ISBN 9780691081991