Published in Anales de la Sociedad Cientifica Argentina, in 1938, in volume 126, pages 345-386

Created: 2016-02-13, modified: 2016-02-13

Published in Anales De La Sociedad Cientifica Argentina, in 1938, in volume 126, pages 387-392

Created: 2016-02-12, modified: 2016-02-12