Appendix B: Mathematical formalities and style
- p. 670, first full paragraph, fourth line, and second full paragraph,
``Schwartz'' should be ``Schwarz.''
- p. 668, first line of second paragraph, also first line of third
paragraph: publication year of Lighthill book is 1958, not 1957.
- p. 668, sixth-to-last line: ``Aczel'' should be
``Aczél'' (add accent).
- p. 668, second-to-last line: ``Stieltjes'' should be spelled
without an accent.