Barbara Liskov, Jeannette M. Wing. A Behavioral Notion of Subtyping. ACM Transactions on Programming Languages and Systems, 16(6):1811-1841, 1994. [doi]
@article{LiskovW94,
title = {A Behavioral Notion of Subtyping},
author = {Barbara Liskov and Jeannette M. Wing},
year = {1994},
doi = {10.1145/197320.197383},
url = {http://doi.acm.org/10.1145/197320.197383},
tags = {subtyping},
researchr = {https://researchr.org/publication/LiskovW94},
cites = {0},
citedby = {0},
journal = {ACM Transactions on Programming Languages and Systems},
volume = {16},
number = {6},
pages = {1811-1841},
}