@article{SLC_1997_39_a2,
     author = {Roland Speicher},
     title = {Free {Probability} {Theory} and {Non-Crossing} {Partitions}},
     journal = {S\'eminaire lotharingien de combinatoire},
     year = {1997},
     volume = {39},
     url = {http://geodesic.mathdoc.fr/item/SLC_1997_39_a2/}
}