Sur les systémes linéaires, a deux inconnues admettant une intégrale quadrique
By: par M.T. Levi-Civita.
Publisher: Imprensa da Universidade
Published: 1912
Place of publication: Coimbra
Language: fre
Number of pages: 14
Subjects: Linear systems.
Notes: From head of cover: "Annaes da Academia Polytechnica do Porto. Publicados sob a direçâo de F. Gomes Teixeira Exrtracto do tomo VII, 1912".

Title from cover.