Sobre o aperfeiçoamento de órbitas de binários visuais de estrelas
By: Alberto Vaz Cunha Simões da Silva
Publisher: Coimbra Editors
Published: 1966
Place of publication: Coimbra
Language: por
Number of pages: 153
Subjects: Double stars; Orbits
Notes: "Separata de O Istituto, Vol. 128-o, pág. 1."

Includes bibliographical references (p. [139]-143).

Summary in Portuguese, French and German.