@base . a . a , ; "Bulletin of the American Mathematical Society" . a ; "0002-9904" ; . "Rhode Island" . a ; "20230525100627.511856"^^ ; ; . , ; "Bulletin of the American Mathematical Society." ; ; ; ; ; ; ; "Bulletin of the American Mathematical Society." , "Bulletin of the American Mathematical Society" ; ; "http://www.ams.org/bull" , "http://ProjectEuclid.org/bams" , "http://bibpurl.oclc.org/web/21858" , "http://bibpurl.oclc.org/web/6971" . . a ; .