@article{Kleinschmidt_1995,
    doi = {10.1007/bf01585755},
    url = {https://doi.org/10.1007%2Fbf01585755},
    year = {1995},
    month = {jan},
    publisher = {Springer Science and Business Media {LLC}},
    volume = {68},
    number = {1-3},
    pages = {1--13},
    author = {P. Kleinschmidt and H. Schannath},
    title = {A strongly polynomial algorithm for the transportation problem},
    journal = {Mathematical Programming}
}

@article{Kleinschmidt_1995, doi = {10.1007/bf01585755}, url = {https://doi.org/10.1007%2Fbf01585755}, year = {1995}, month = {jan}, publisher = {Springer Science and Business Media {LLC}}, volume = {68}, number = {1-3}, pages = {1--13}, author = {P. Kleinschmidt and H. Schannath}, title = {A strongly polynomial algorithm for the transportation problem}, journal = {Mathematical Programming} }