@article{TMF_1994_98_3_a14,
     author = {Ch. Schweigert},
     title = {Poincar\'e polynomials and level rank dualities in the $N=2$ coset construction},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {467--478},
     publisher = {mathdoc},
     volume = {98},
     number = {3},
     year = {1994},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TMF_1994_98_3_a14/}
}