Author

Jasper O. Hassler

2 books found

Placeholder cover for The teaching of secondary mathematics

The teaching of secondary mathematics

Jasper O. Hassler · First published 1930 · Latest edition 1980

Cover of Plane nets periodic of period 3 under the Laplacian transformation

Plane nets periodic of period 3 under the Laplacian transformation

Jasper O. Hassler · First published 1916