@article{CM_1959-1960__14__23_0,
     author = {Kleene, S. C.},
     title = {Quantification of number-theoretic functions},
     journal = {Compositio Mathematica},
     pages = {23--40},
     publisher = {Kraus Reprint},
     volume = {14},
     year = {1959-1960},
     mrnumber = {103822},
     zbl = {0085.24701},
     language = {en},
     url = {http://www.numdam.org/item/CM_1959-1960__14__23_0/}
}