20210206230400.0 Communications on pure and applied mathematics. 0010-3640 Communications on pure and applied mathematics (Print) 0010-3640 Communications on pure and applied mathematics (Print) New Jersey 0010-3640 Communications on pure and applied mathematics. 0010-3640 http://www3.interscience.wiley.com/cgi-bin/jhome/29240 0010-3640