@article{JIS_2010__13_3_a4,
     author = {Kutler, Max B. and Vinroot, C.Ryan},
     title = {On $q$-analogs of recursions for the number of involutions and prime order elements in symmetric groups},
     journal = {Journal of integer sequences},
     publisher = {mathdoc},
     volume = {13},
     number = {3},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2010__13_3_a4/}
}