Jennie C. Hansen, Jerzy Jaworski. Random mappings with a given number of cyclical points. Ars Comb., 94, 2010.
@article{HansenJ10-2, title = {Random mappings with a given number of cyclical points}, author = {Jennie C. Hansen and Jerzy Jaworski}, year = {2010}, researchr = {https://researchr.org/publication/HansenJ10-2}, cites = {0}, citedby = {0}, journal = {Ars Comb.}, volume = {94}, }