@article{lmcs:1147,
    title      = {The Omega Rule is $\mathbf{\Pi_{1}^{1}}$-Complete in the $\lambda\beta$-Calculus},
    author     = {Benedetto Intrigila and Richard Statman},
    url        = {https://lmcs.episciences.org/1147},
    doi        = {10.2168/LMCS-5(2:6)2009},
    journal    = {Logical Methods in Computer Science},
    issn       = {1860-5974},
    volume     = {Volume 5, Issue 2},
    eid        = 6,
    year       = {2009},
    month      = {Apr},
    keywords   = {Computer Science - Logic in Computer Science, F.4.1},
}