@article{SLC_1986_14s_a7,
     author = {Adalbert Kerber},
     title = {On the {Basic} {Problem} of {P\'olya's} {Theory} of {Enumeration}},
     journal = {S\'eminaire lotharingien de combinatoire},
     year = {1986},
     volume = {14s},
     url = {http://geodesic.mathdoc.fr/item/SLC_1986_14s_a7/}
}