Robert W. Floyd. The Syntax of Programming Languages-A Survey. IEEE Transactions on Computers, 13(4):346-353, 1964. [doi]
@article{Floyd64-1,
title = {The Syntax of Programming Languages-A Survey},
author = {Robert W. Floyd},
year = {1964},
doi = {10.1109/PGEC.1964.263814},
url = {http://dx.doi.org/10.1109/PGEC.1964.263814},
researchr = {https://researchr.org/publication/Floyd64-1},
cites = {0},
citedby = {0},
journal = {IEEE Transactions on Computers},
volume = {13},
number = {4},
pages = {346-353},
}