Since we are switching to a new platform, episciences, our LaTeX style has changed. Please throw away all copies of our old style and only use dmtcs-episciences.cls even if you still have to prepare documents for the OJS platform.
DMTCS is an electronic journal mainly run by volunteers. This implies that we are not able to typeset accepted articles for publication: authors have to provide with the LaTeX-sources of their paper, we will not accept publications in other formats. LaTeX has become a de facto standard for publication in our community. We provide you with our own LaTeX Style and strongly encourage authors to use this style already for their submissions.
We have a sample document (accompanied by a small BibTeX-file and sample graphics in pdf format) that is worth looking at. It containsThe file contains hints for these cases of failure to process it, here is the compiled pdf.