@article{Kam_1977,
    doi = {10.1007/bf00290339},
    url = {https://doi.org/10.1007%2Fbf00290339},
    year = {1977},
    publisher = {Springer Science and Business Media {LLC}},
    volume = {7},
    number = {3},
    pages = {305--317},
    author = {John B. Kam and Jeffrey D. Ullman},
    title = {Monotone data flow analysis frameworks},
    journal = {Acta Informatica}
}

@article{Kam_1977, doi = {10.1007/bf00290339}, url = {https://doi.org/10.1007%2Fbf00290339}, year = {1977}, publisher = {Springer Science and Business Media {LLC}}, volume = {7}, number = {3}, pages = {305--317}, author = {John B. Kam and Jeffrey D. Ullman}, title = {Monotone data flow analysis frameworks}, journal = {Acta Informatica} }