Yan, S. Y. (1996). Perfect, Amicable and Sociable Numbers: A computational approach. World scientific.
Citación estilo ChicagoYan, Song Y. Perfect, Amicable and Sociable Numbers: A Computational Approach. World scientific, 1996.
Cita MLAYan, Song Y. Perfect, Amicable and Sociable Numbers: A Computational Approach. World scientific, 1996.
Warning: These citations may not always be 100% accurate.