@article{JEMS_2015_17_2_a4,
     author = {Henning Haahr Andersen and Volodymyr Mazorchuk},
     title = {Category $\mathcal O$ for quantum groups},
     journal = {Journal of the European Mathematical Society},
     pages = {405--431},
     publisher = {mathdoc},
     volume = {17},
     number = {2},
     year = {2015},
     doi = {10.4171/jems/506},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/506/}
}