Published in Anales De La Sociedad Cientifica Argentina, in 1956, in volume 161, pages 7-30

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

Published in An Soc Cient Argentina, in 1956, in volume 161, issue 4/6, pages 41-52

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

Published in Anales De La Sociedad Cientifica Argentina, in 1956, in volume 162, pages 148-159

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

Published in Anales De La Sociedad Cientifica Argentina, in 1956, in volume 162, pages 160-164

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