On the Equation n1n2 = n3n4 Restricted to Factor Closed Sets
Crossref DOI link: https://doi.org/10.1007/s10114-018-7401-6
Published Online: 2018-04-28
Published Print: 2018-10
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Shi, San Ying
Weber, Michel
Text and Data Mining valid from 2018-04-28
Article History
Received: 30 August 2017
Accepted: 3 January 2018
First Online: 28 April 2018