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Author: Ogievetsky, O.

• Ogievetsky, O.: Hopf structures on the Borel subalgebra of $sl(2)$. (English). In: Bureš, J. and Souček, V. (eds.): Proceedings of the Winter School "Geometry and Physics". Circolo Matematico di Palermo, Palermo, 1994. pp. [185]-199