Inventional Geometry: A Series of Problems, Intended to Familiarize the Pupil with Geometrical Conceptions, & to Exercise His Inventive FacultyAppleton, 1899 - 97 páginas |
Inventional Geometry: A Series of Problems, Intended to Familiarize the Pupil with Geometrical Conceptions, & to Exercise His Inventive FacultyAppleton, 1899 - 97 páginas |