@article{lmcs:1543,
    title      = {The recursion hierarchy for PCF is strict},
    author     = {John Longley},
    url        = {https://lmcs.episciences.org/1543},
    doi        = {10.23638/LMCS-14(3:8)2018},
    journal    = {Logical Methods in Computer Science},
    issn       = {1860-5974},
    volume     = {Volume 14, Issue 3},
    eid        = 8,
    year       = {2018},
    month      = {Aug},
    keywords   = {Computer Science - Logic in Computer Science, 03B70},
}