Andersen, K., Dauben, J. W. (red.) & Scriba, C. J. (red.) (2002).
Gustaf Hjalmar Eneström. I
Writing the History of Mathematics: Its Historical Development (s. 417-420). Birkhäuser Verlag.
Hoffmann-Jørgensen, J. (2002).
Integral Representations. I D. Bakic, P. Pandzic & G. Peskir (red.),
Functional analysis VII: proceedings of the Postgraduate School and Conference held at the Inter-University Center, Dubrovnik, Croatia, 15-22 June, 2003 (s. 229-445). Institut for Matematiske Fag, Aarhus Universitet.