Published in Anales De La Sociedad Cientifica Argentina, in 1941, in volume 131, pages 60-95

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

Published in Anales De La Sociedad Cientifica Argentina, in 1941, in volume 132, pages 100-103

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