The concept of integration at the Varna congress

Educational Studies in Mathematics - Tập 1 - Trang 338-339 - 1969
Hans Freudenthal1
1Mathematisch Instituut der Rijksuniversiteit, Utrecht, The Netherlands

Tài liệu tham khảo

Note added in proof: In fact, what looked like a change, was caused by the wrong French translation of one English word. Dialectica 21 (1967), fasc. 1–4.