@article{Van_Der_Kallen_2000,
    doi = {10.1006/jsco.2000.0374},
    url = {https://doi.org/10.1006%2Fjsco.2000.0374},
    year = {2000},
    month = {sep},
    publisher = {Elsevier {BV}},
    volume = {30},
    number = {3},
    pages = {329--337},
    author = {Wilberd Van Der Kallen},
    title = {Complexity of the Havas, Majewski, Matthews {LLL} Hermite Normal Form Algorithm},
    journal = {Journal of Symbolic Computation}
}

@article{Van_Der_Kallen_2000, doi = {10.1006/jsco.2000.0374}, url = {https://doi.org/10.1006%2Fjsco.2000.0374}, year = {2000}, month = {sep}, publisher = {Elsevier {BV}}, volume = {30}, number = {3}, pages = {329--337}, author = {Wilberd Van Der Kallen}, title = {Complexity of the Havas, Majewski, Matthews {LLL} Hermite Normal Form Algorithm}, journal = {Journal of Symbolic Computation} }