@article{Barnes_1998,
    doi = {10.1137/s0097539793283151},
    url = {https://doi.org/10.1137%2Fs0097539793283151},
    year = {1998},
    month = {oct},
    publisher = {Society for Industrial {\&} Applied Mathematics ({SIAM})},
    volume = {27},
    number = {5},
    pages = {1273--1282},
    author = {Greg Barnes and Jonathan F. Buss and Walter L. Ruzzo and Baruch Schieber},
    title = {A Sublinear Space, Polynomial Time Algorithm for Directed s-t Connectivity},
    journal = {{SIAM} Journal on Computing}
}

@article{Barnes_1998, doi = {10.1137/s0097539793283151}, url = {https://doi.org/10.1137%2Fs0097539793283151}, year = {1998}, month = {oct}, publisher = {Society for Industrial {\&} Applied Mathematics ({SIAM})}, volume = {27}, number = {5}, pages = {1273--1282}, author = {Greg Barnes and Jonathan F. Buss and Walter L. Ruzzo and Baruch Schieber}, title = {A Sublinear Space, Polynomial Time Algorithm for Directed s-t Connectivity}, journal = {{SIAM} Journal on Computing} }