Odifreddi, P. (2000). mathematical century: The 30 greatest problems of the last 100 years. University Press.
Dyfyniad Arddull ChicagoOdifreddi, Piergiorgio. Mathematical Century: The 30 Greatest Problems of the Last 100 Years. Hyderabad: University Press, 2000.
Dyfyniad MLAOdifreddi, Piergiorgio. Mathematical Century: The 30 Greatest Problems of the Last 100 Years. University Press, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.