@article{10_4153_CMB_1994_031_9,
     author = {Futorny, V. M.},
     title = {Imaginary {Verma} {Modules} for {Affine} {Lie} {Algebras}},
     journal = {Canadian mathematical bulletin},
     pages = {213--218},
     year = {1994},
     volume = {37},
     number = {2},
     doi = {10.4153/CMB-1994-031-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1994-031-9/}
}