References for Hans Schwerdtfeger

Articles:

1. J Aczél, Hans Schwerdtfeger (9 December, 1902-26 June, 1990), Aequationes Math. 53 (1-2) (1997), 2-3.
2. P Schwerdtfeger, R Potts and Tim Wall, Hans Schwerdtfeger 1902-90, Austral. Math. Soc. Gaz. 18 (3) (1991), 65-70.

July 2007