@article{SLC_2010-2011_64_a2,
     author = {Martin Rubey},
     title = {The {Number} of {Ribbon} {Schur} {Functions}},
     journal = {S\'eminaire lotharingien de combinatoire},
     publisher = {mathdoc},
     volume = {64},
     year = {2010-2011},
     url = {http://geodesic.mathdoc.fr/item/SLC_2010-2011_64_a2/}
}