Ashford, M., & Riordan, O. (2017). Counting racks of order n. Electronic Journal of Combinatorics.
Dyfyniad Arddull ChicagoAshford, M., and O. Riordan. Counting Racks of Order N. Electronic Journal of Combinatorics, 2017.
Dyfyniad MLAAshford, M., and O. Riordan. Counting Racks of Order N. Electronic Journal of Combinatorics, 2017.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.