@article{10_4153_CMB_1961_031_9,
     author = {Melzak, Z.A.},
     title = {An {Informal} {Arithmetical} {Approach} to {Computability} and {Computation}},
     journal = {Canadian mathematical bulletin},
     pages = {279--293},
     year = {1961},
     volume = {4},
     number = {3},
     doi = {10.4153/CMB-1961-031-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1961-031-9/}
}