Libros de Gelfand

Educación Secundaria, de Israel M. Gelfand, et al. Editorial Birkhäuser (1990 - 2020)

The Method of Coordinates

https://drive.google.com/file/d/1aEuRSOftXAM9XD7aoW6l_3_NUww0B5gl/view

Functions and Graphs

https://drive.google.com/file/d/1KtmIe9YtDv_wLq5jPGAJFONpzpDwvkEU/view

Algebra

https://drive.google.com/file/d/1mRTGOSiPwVT6Yx0FmberaJIHAM6blX_w/view

Trigonometry

https://drive.google.com/file/d/1nlGMZYwgZRdGC6kHIgeOCVSG_aR2Pv_W/view

Geometry

https://drive.google.com/file/d/1KTVGWqOltrurPLCGAARdccsGIx3gah-f/view

Atte., 

William Eric Fox Talbot