Lars Birkedal, Robert Harper. Relational Interpretations of Recursive Types in an Operational Setting. Inf. Comput., 155(1-2):3-63, 1999.
@article{BirkedalH99, title = {Relational Interpretations of Recursive Types in an Operational Setting}, author = {Lars Birkedal and Robert Harper}, year = {1999}, researchr = {https://researchr.org/publication/BirkedalH99}, cites = {0}, citedby = {0}, journal = {Inf. Comput.}, volume = {155}, number = {1-2}, pages = {3-63}, }