@article{MZ_1992__209_2_174350,
     author = {Roland Speicher},
     title = {A non-commutative central limit theorem.},
     journal = {Mathematische Zeitschrift},
     pages = {55--66},
     publisher = {mathdoc},
     volume = {209},
     number = {2},
     year = {1992},
     zbl = {0724.60023},
     url = {http://geodesic.mathdoc.fr/item/MZ_1992__209_2_174350/}
}