[Retros] Problemkiste

Bernd Schwarzkopf schwarzkopf at uni-duesseldorf.de
Mon Dec 31 10:50:19 EST 2012


the last issue of the magazine "Problemkiste" (No. 204, December 2012) was published last week - the last issue printed on paper.

>From 2013 on it will be published only as a PDF file.

Questions and letters (originals, articles, solutions) to the address
pkweb at leo.org

Bernd Schwarzkopf

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