Published in Jornal de sciencias mathematicas, physicas e naturaes, in 1873, in volume 4, pages 201-207

Created: 2014-05-12, modified: 2014-05-12

Published in Jornal de Sciências, Mathemáticas, Physicas e Naturaes. Lisbõa, in 1873, in volume 4, pages 209-227

Created: 2012-09-12, modified: 2012-09-12

Published in Jornal de Sciencias Mathematicas, Physicas e Naturaes, Lisboa, in 1873, in volume 4, pages 228-232

Created: 2012-09-12, modified: 2012-09-12

Published in Jor. Sci. math. phys. nat. Lisboa, in 1873, in volume 4, pages 247-253

Created: 2013-02-17, modified: 2013-02-17