Title:Cálculo de las perturbaciones de la anomalía media y del radio vector de un asteroide / Calculation of the perturbations of the mean anomaly and the radius vector of an asteroid
Title:Informe preliminar sobre un nuevo cálculo de la órbita del cometa Halley / A preliminary report on a new computation of the orbit of Halley's comet
Title:Una tabla útil para sumar algunas series lentamente convergentes o divergentes / A useful table for suming some slowly convergent or divergent series