http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
The period comet Comas Solá (1926 f) at its return in the year 1935
With some remarks about the method of direct integration in co-ordinates and the method of perturbations
Hansen, Julie M[arie] Vinter: The period comet Comas Solá (1926 f) -- at its return in the year 1935. With some remarks about the method -- of direct integration in co-ordinates and the method of perturbations. -- — København: Levin & Munksgaard 1933. 16 S. 8° (Det Kgl. Danske -- Videnskab. Selskab. Math.-fys. Meddelelser. 12, 5.) -- [33. 38620
Det Kgl. Danske Videnskab. Selskab. Math.-fys. Meddelelser. 12, 5