Proof Without Words: The Sum of Squares
Crossref DOI link: https://doi.org/10.1007/s00283-017-9727-9
Published Online: 2017-10-26
Published Print: 2018-06
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Chakraborty, Bikash http://orcid.org/0000-0002-3951-4792
License valid from 2017-10-26