Andrew W. Appel, David A. McAllester. An indexed model of recursive types for foundational proof-carrying code. ACM Transactions on Programming Languages and Systems, 23(5):657-683, 2001. [doi]
@article{AppelM01,
title = {An indexed model of recursive types for foundational proof-carrying code},
author = {Andrew W. Appel and David A. McAllester},
year = {2001},
doi = {10.1145/504709.504712},
url = {http://doi.acm.org/10.1145/504709.504712},
researchr = {https://researchr.org/publication/AppelM01},
cites = {0},
citedby = {0},
journal = {ACM Transactions on Programming Languages and Systems},
volume = {23},
number = {5},
pages = {657-683},
}