(Q5230715)
Statements
3 January 1926Gregorian
2 references
7 September 2003
2 references
1964
1981
1952
1964
1 reference
1943
1947
Identifiers
Sitelinks
Wikipedia(2 entries)
- arwiki ديفيد ألان سبينس
- enwiki David Spence (mathematician)