De Concini-Kac filtration and Gelfand-Tsetlin generators for quantum   gl_N
  In this note we compute the leading term with respect to the De Concini-Kac filtration of $U_q(\mathfrak{gl}_n)$ of a generating set for the quantum Gelfand-Tsetlin subalgebra. 
Vyacheslav Futorny, Jonas T. Hartwig
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