Euclidean and non euclidean geometries
GREENBERG, Jay Marvin
Euclidean and non euclidean geometries - Sanfrancisco W.H.Freeman 1974 - xi, 304p.
716704544
516.2
Euclidean and non euclidean geometries - Sanfrancisco W.H.Freeman 1974 - xi, 304p.
716704544
516.2