Kuriose Probleme der Arithmetik, Geometrie, Mathematik, Optik, Physik
Kuriose Probleme der Arithmetik, Geometrie, Mathematik, Optik, Physik
1936
Walter Sperling
Details
First published
1936
OL Work ID
OL12696860W
Subjects
Puzzles
Mathematical recreations
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