Wikipedia: en.wikipedia.or ... https://en.wikipedia.org/wiki/Communications_in_Contemporary_Mathematics
Wikipedia: fr.wikipedia.or ... https://fr.wikipedia.org/wiki/Communications_in_Contemporary_Mathematics
Wikipedia: nl.wikipedia.or ... https://nl.wikipedia.org/wiki/Communications_in_Contemporary_Mathematics
SUDOC: www.sudoc.fr/07 ... http://www.sudoc.fr/077192249
Wikidata: www.wikidata.or ... http://www.wikidata.org/entity/Q5154199
FATCAT: fatcat.wiki/con ... https://fatcat.wiki/container/qsaihlhvnbbzjdpf6mv4rjadvm
Wikipedia: en.wikipedia.or ... https://en.wikipedia.org/wiki/Communications_in_Contemporary_Mathematics
Wikipedia: fr.wikipedia.or ... https://fr.wikipedia.org/wiki/Communications_in_Contemporary_Mathematics
Wikipedia: nl.wikipedia.or ... https://nl.wikipedia.org/wiki/Communications_in_Contemporary_Mathematics
SUDOC: www.sudoc.fr/07 ... http://www.sudoc.fr/077192249
Wikidata: www.wikidata.or ... http://www.wikidata.org/entity/Q5154199
FATCAT: fatcat.wiki/con ... https://fatcat.wiki/container/qsaihlhvnbbzjdpf6mv4rjadvm
Google: www.google.com/ ... https://www.google.com/search?q=ISSN+%220219-1997%22
Bing: www.bing.com/se ... https://www.bing.com/search?q=ISSN+%220219-1997%22
Yahoo: search.yahoo.co ... https://search.yahoo.com/search?p=ISSN%20%220219-1997%22
CROSSREF: search.crossref ... https://search.crossref.org/?q=+0219-1997