Install dblatex by entering the following commands in the terminal:
sudo apt update sudo apt install dblatex
Description:
Produces DVI, PostScript, PDF documents from DocBook sources
DocBook to LaTeX Publishing that transforms your SGML/XML DocBook documents to DVI, PostScript or PDF by translating them in pure LaTeX as a first process. MathML 2.0 markups are supported, too. It originally started as a clone of DB2LaTeX, but has been enhanced extensively since then and is actively maintained by the upstream author.
Homepage: http://dblatex.sourceforge.net/
Version: 0.3.10-2
Section: universe/text