Greenstein, Jacob Max Planck Institute for Mathematics, Max Planck Society;
greenstein_minimal_oa_2011.pdf (Any fulltext), 158KB
Chari, V., & Greenstein, J. (2011). Minimal affinizations as projective objects. Journal of Geometry and Physics, 61(3), 594-609. doi:10.1016/j.geomphys.2010.11.008.