'Nobody could possibly misunderstand what a group is': a study in early twentieth-century group axiomatics.Published in:Archive for History of Exact Sciences, 2017, v. 71, n. 5, p. 409, doi. 10.1007/s00407-017-0193-8By:Hollings, ChristopherPublication type:Article
Stephen of Pisa's theory of the oscillating deferents of the inner planets (1h. 12th C.).Published in:Archive for History of Exact Sciences, 2017, v. 71, n. 5, p. 379, doi. 10.1007/s00407-017-0192-9By:Grupe, DirkPublication type:Article