@article{L_b_1953,
    doi = {10.2307/2266320},
    url = {https://doi.org/10.2307%2F2266320},
    year = {1953},
    month = {mar},
    publisher = {Cambridge University Press ({CUP})},
    volume = {18},
    number = {1},
    pages = {1--6},
    author = {M. H. Löb},
    title = {Concatenation as basis for a complete system of arithmetic},
    journal = {Journal of Symbolic Logic}
}

@article{L_b_1953, doi = {10.2307/2266320}, url = {https://doi.org/10.2307%2F2266320}, year = {1953}, month = {mar}, publisher = {Cambridge University Press ({CUP})}, volume = {18}, number = {1}, pages = {1--6}, author = {M. H. Löb}, title = {Concatenation as basis for a complete system of arithmetic}, journal = {Journal of Symbolic Logic} }