References for Helge von Koch


  1. M Bernkopf, Biography in Dictionary of Scientific Biography (New York 1970-1990).
    See THIS LINK.
Books:
  1. L Garding, Mathematics and Mathematicians : Mathematics in Sweden before 1950 (Providence, R.I., 1998).
  2. E Hellinger and O Toepletz, Encyklopädie der Mathematischen Wissenschaften II (Leipzig, 1923-27).