Google Scholardoi.orgThe Cardinality of SetsElsevier eBooks·1968·pp. 43–85N. Ya. VilenkinRelated Papers→ Cardinal and Ordinal Numbers(1964)244 cited→ Countable and Uncountable Sets(2011)3 cited→ The Continuum is Countable: Infinity is Unique(2008)→ The Cardinality of Sets(1968)→ The size of a set(1983)