http://ro.math.wikia.com/wiki/Fi?iere_pdf_încărcate

A googelen
https://www.google.ro/search?dcr=0&source=hp&ei=yvp-WuSOOsX3kwWnmLdY&q=ro.math.wikia.com%2Fwiki%2F+pdf&oq=ro.math.wikia.com%2Fwiki%2F+pdf&gs_l=psy-ab.3...1503.4262.0.4507.5.5.0.0.0.0.90.406.5.5.0....0...1c.1.64.psy-ab..0.1.89...33i160k1.0.vHRpFlz4BJU

http://ro.math.wikia.com/wiki/Special:Listă_fi?iere