Recherches sur les mouvements propres des étoiles
Subtitle: dans la zone photographique de Helsingfors.
Contributors: Poirot, Jean, 1873- tr.; Runeberg, J., tr.; Ölander, Victor Rafael, 1897- ed.
Series: Acta Societatis scientiarum fennicae,; t. 48, no. 1; t. 50, no. 7; nova ser.A, t. 3, no. 12
Publisher: Impr. de la Société de littérature finnoise
Published: 1916
Place of publication: Helsingfors
Language: fre
Subjects: Stars -- Proper motion.; Stars -- Observations.
Notes: Vol. 1 tr. by J. Poirot and Ellen Witting; v. 2, by J. Runeberg.
Vol. 3 completed and ed. by V. R. Ölander.