1. On Karabegov's quantizations of semisimple coadjoint orbits;Astashkevich,1999
2. Isometric imbeddings of complex manifolds;Calabi;Ann. Math. (2),1953
3. Symplectic Geometry, in Handbook of Differential Geometry, vol. 2;Cannas da Silva,2006
4. Formal symplectic groupoid;Cattaneo;Commun. Math. Phys.,2005