@article{Wall_1960,
    doi = {10.2307/2309169},
    url = {https://doi.org/10.2307%2F2309169},
    year = {1960},
    month = {jun},
    publisher = {{JSTOR}},
    volume = {67},
    number = {6},
    pages = {525},
    author = {D. D. Wall},
    title = {Fibonacci Series Modulo m},
    journal = {The American Mathematical Monthly}
}

@article{Wall_1960, doi = {10.2307/2309169}, url = {https://doi.org/10.2307%2F2309169}, year = {1960}, month = {jun}, publisher = {{JSTOR}}, volume = {67}, number = {6}, pages = {525}, author = {D. D. Wall}, title = {Fibonacci Series Modulo m}, journal = {The American Mathematical Monthly} }