1. Parvathi, R., S. Thilagavathi, and M.G. Karunambigai. 2009. Intuitionistic fuzzy hypergraphs. Cybernetics and Information Technologies 9: 46–53.
2. Kannan, B., S. Bino, A. Unnikrishnan, and P.B. Ramkumar. 2014. Morphological filtering on Hypergraphs. arXiv:1402. 4258v1.
3. Dhanya, P.M., A. Sreekumar, M. Jathavedan, and P.B. Ramkumar. 2018. Algebra of Morphological Dilation on Intuitionistic Fuzzy Hypergraphs. International journal of Scientific Research in Science, Engineering and Technology 4 (1): 300–308.
4. Bloch, I., and A. Bretto. 2011. Mathematical morphology on hypergraphs: Preliminary definitions and results. In Discrete Geometry for Computer Imagery, 429440. New York: Springer.
5. Bloch, I., and A. Bretto. 2013. Mathematical morphology on hypergraphs, application to similarity and positive kernel. Computer vision and image understanding 117 (4): 342354.