Ingmar Lehmann

Books
Mathematical Curiosities Mathematical Curiosities
Mathematical Curiosities
2014
Pi Pi
Pi
2023
Secrets of Triangles Secrets of Triangles
Secrets of Triangles
2012
Glorious Golden Ratio Glorious Golden Ratio
Glorious Golden Ratio
2011
Magnificent Mistakes in Mathematics Magnificent Mistakes in Mathematics
Magnificent Mistakes in Mathematics
2013