Soberon, P. (2013). Problem-solving methods in combinatorics: An approach to olympiad problems. Birkhauser.
Dyfyniad Arddull ChicagoSoberon, Pablo. Problem-solving Methods in Combinatorics: An Approach to Olympiad Problems. London: Birkhauser, 2013.
Dyfyniad MLASoberon, Pablo. Problem-solving Methods in Combinatorics: An Approach to Olympiad Problems. Birkhauser, 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.