Retrieved 2010-01-18. Örn, Peter (1997). "Kirurgen Jan Gullberg skrev matematikens historia" [The surgeon Jan Gullberg wrote the history of mathematics] (PDF)... 8 KB (949 words) - 11:02, 7 August 2021 |
Retrieved 2010-01-18. Örn, Peter (1997). "Kirurgen Jan Gullberg skrev matematikens historia" [The surgeon Jan Gullberg wrote the history of mathematics] (PDF)... 8 KB (949 words) - 11:02, 7 August 2021 |