@article{onawellbehavedrelationalgeneralisation,
  title = {On a Well-behaved Relational Generalisation of Rough Set Approximations},
  author = {Alexa Gopaulsingh},
  year = {2016},
  eprint = {1612.01857},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1612.01857v2},
}