@article{SLC_1981_05_a5,
     author = {Josef Hofbauer},
     title = {Ein {q-Analogon} der {Lagrangeschen} {Inversionsformel}},
     journal = {S\'eminaire lotharingien de combinatoire},
     year = {1981},
     volume = {05},
     url = {http://geodesic.mathdoc.fr/item/SLC_1981_05_a5/}
}