TANNERY, Correspondance entre Lejeune Dirichlet et Liouville, 1910

First edition.
Correspondence chosen by Jules Tannery between the mathematicians Joseph Liouville (1809-1882) and Gustav LeJeune-Dirichlet (1805-1859) specialists in number theory. During the summer of 1839, during a visit to Paris, Dirichlet met Joseph Liouville during a dinner at Cauchy. From that date, their exchanges became more frequent and they soon became great friends, exchanging regular scientific correspondence.