Arguedas T., V. (2019). José Echegaray, a multi-faceted mathematician: Nobel Prize in Literature, an outstanding politician, promoter of Spanish physics and mathematics at the end of the 20th century and the beginning of the 20th: José Echegaray, un matemático polifacético: Premio nobel literatura, político destacadísimo, impulsor de la física y mate española al final del siglo IXX y de principios del XX.

Arguedas T., Vernor. José Echegaray, a Multi-faceted Mathematician: Nobel Prize in Literature, an Outstanding Politician, Promoter of Spanish Physics and Mathematics At the End of the 20th Century and the Beginning of the 20th: José Echegaray, Un Matemático Polifacético: Premio Nobel Literatura, Político Destacadísimo, Impulsor De La Física Y Mate Española Al Final Del Siglo IXX Y De Principios Del XX. 2019.

Arguedas T., Vernor. José Echegaray, a Multi-faceted Mathematician: Nobel Prize in Literature, an Outstanding Politician, Promoter of Spanish Physics and Mathematics At the End of the 20th Century and the Beginning of the 20th: José Echegaray, Un Matemático Polifacético: Premio Nobel Literatura, Político Destacadísimo, Impulsor De La Física Y Mate Española Al Final Del Siglo IXX Y De Principios Del XX. 2019.