1. Jaun A., Hedin J., Johnson T., Numerical Methods for Partial Differential Equations. TRITA-ALF-1999-05 (1999),
http://pde.fusion.kth.se
2. Drakos N., Text to Hypertext conversion with LaTeX2HTML. Baskerville 3 (1993) 12,
http://cbl.leeds.ac.uk/nikos/tex2html/doc/latex2html/latex2html.html
3. Hutchinson, I., TTH: a TeX to HTML translator.
http://hutchinson.belmont.ma.us/tth/