John McCarthy. Recursive Functions of Symbolic Expressions and Their Computation by Machine, Part I. Communications of the ACM, 3(4):184-195, 1960. [doi]
@article{McCarthy60,
title = {Recursive Functions of Symbolic Expressions and Their Computation by Machine, Part I},
author = {John McCarthy},
year = {1960},
doi = {10.1145/367177.367199},
url = {http://doi.acm.org/10.1145/367177.367199},
researchr = {https://researchr.org/publication/McCarthy60},
cites = {0},
citedby = {0},
journal = {Communications of the ACM},
volume = {3},
number = {4},
pages = {184-195},
}