¥£,5129 2252
 
Pizé, Pedro Antonio, 1895=
ee. Fermagoric triangles, by Pedro A. Piz&. Santurce, P. R., Imprenta Soltero de Ramén Soltero Gelabert, 1945.
4 pele, 153, [1] pe, 1 1. incl. front., illus., diagrs. 22 cm. (Official publication of the Polytechnic institute of Puerto Rico [no. 1])
1. Pythagorean proposition. 2. Fermat's theorem.