The 'Physics Cup' : interesting problems are difficult
Kalda, Jaan
European journal of physics
2013
/
p. S3-S-14 : ill
https://doi.org/10.1088/0143-0807/34/4/S3
https://www.scopus.com/sourceid/27536
https://www.scopus.com/record/display.uri?eid=2-s2.0-84880516492&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=b&s=DOI%2810.1088%2F0143-0807%2F34%2F4%2FS3%29&sessionSearchId=9989e4d70c1741e264e9baea261277b2
https://jcr.clarivate.com/jcr-jp/journal-profile?journal=EUR%20J%20PHYS&year=2013
https://www.webofscience.com/wos/woscc/full-record/WOS:000320768100005