@Inproceedings{EPTCS350.1,
  author    = {Pshenitsyn, Tikhon},
  year      = {2021},
  title     = {Grammars Based on a Logic of Hypergraph Languages},
  editor    = {Hoffmann, Berthold and Minas, Mark},
  booktitle = {{\rm Proceedings Twelfth International Workshop on}
               Graph Computational Models,
               {\rm Online, 22nd June 2021}},
  series    = {Electronic Proceedings in Theoretical Computer Science},
  volume    = {350},
  publisher = {Open Publishing Association},
  pages     = {1-18},
  doi       = {10.4204/EPTCS.350.1},
}