@InProceedings{jakl_et_al:LIPIcs.CALCO.2017.14,
  author =	{Jakl, Tom\'{a}s and Jung, Achim},
  title =	{{Free Constructions and Coproducts of d-Frames}},
  booktitle =	{7th Conference on Algebra and Coalgebra in Computer Science (CALCO 2017)},
  pages =	{14:1--14:15},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-033-0},
  ISSN =	{1868-8969},
  year =	{2017},
  volume =	{72},
  editor =	{Bonchi, Filippo and K\"{o}nig, Barbara},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CALCO.2017.14},
  URN =		{urn:nbn:de:0030-drops-80304},
  doi =		{10.4230/LIPIcs.CALCO.2017.14},
  annote =	{Keywords: Free construction, d-frame, coproduct, C-ideals}
}