Extension including terms of the sixth order, of the formulae for orbit determination of a narrow visual binary by harmonic analysis, and their convergence. The orbit of the binary CoD ...
Häftad bok. Lund: Gleerup. 1956.
Gott skick. 4:o. 22 s. + 1 utvikbar tabell. (LUÅ, 52:12.) [ÖÖ]
