Physical and Mathematical Bulletin of the Imperial Academy of Sciences. Volume 13. In Russian./Fiziko-matematicheskiy byulleten Imperatorskoy Akademii Nauk. Tom 13. # # 1-24. Bulletin de la classe physico-mathematique de l Academie Imperiale des sciences de St.-Petersburg, St. Petersburg, Eggerg and Compilation 1855, 384 and 41 p. Please contact us for details on condition of available copies of the book. SKUalb47006c73cf80b945.