Mem. Acad. Imp. Sci. St.-Petersbourg, Ser. 6, Sci. Math., Seconde Pt. Sci. Nat. 2: 160, 1833

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith