1. Abel NH (1826) Untersuchungen über die Reihen, u.s.w., Journal für die reine und angewandte Mathematik, 1:311–339
2. Björling EG (1853) Om oändliga serier, hvilkas termer äro continuerliga functioner a fen reel variable mellan ett par gränser, mellan hvilka serierna äro convergerande. Öfvers Kongl Vetens Akad Förh Stockholm 10:147–160
3. Bråting K (2007) A new look at E.G. Björling and the Cauchy sum theorem. Arch Hist Exact Sci 61(5):519–535
4. Bråting K, Pejlare J (2015) On the relations between historical epistemology and students’ conceptual developments in mathematics. Educ Stud Math 89(2):251–265
5. Bråting K, Pejlare J (2019) The role of Swedish school algebra in a historical perspective. Paper presented at Nordic educational research conference, NERA 2019, 6–8 Mar. Uppsala University