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Academic Journal
Authors: Biswas, Indranil, Neumann, Frank
Relation: Comptes Rendus Mathematique, 2014, 352 (1), pp. 59-64; http://www.sciencedirect.com/science/article/pii/S1631073X13003087; http://hdl.handle.net/2381/36102; S1631073X13003087