%0 Generic %T ... L. Feldtii Nonnullarum formularum differentialium e Theoria motus corporum coelestium evolutiones. %D [1831] %I Brunsbergae : %C Typis Muttrayanis, %O Electronic reproduction. New York, N.Y. : Columbia University Libraries, 2012. NNC %F ref1 %K Celestial mechanics. %K Feldt, Laurentius.