@book{1989-knuth-writing
,note={URL: {\tt http://www-cs-faculty.stanford.edu/~knuth/klr.html}}
,title={{Mathematical writing}}
,booktitle={{Mathematical writing}}
,author={Donald E. Knuth and Tracy Larrabee and Paul M. Roberts}
,ISBN={0--88385--063--X}
,publisher={Mathematical Association of America}
,year={1989}
}