@article{10_4064_fm_50_3_281_303,
     author = {S. Kleene},
     title = {Lambda-definable functionals of finite types},
     journal = {Fundamenta Mathematicae},
     pages = {281--303},
     publisher = {mathdoc},
     volume = {50},
     number = {3},
     year = {1961},
     doi = {10.4064/fm-50-3-281-303},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-50-3-281-303/}
}