(1952). Two papers on the predicate calculus / by S.C. Kleene.
Chicago-čujuhus (17. p.)Two Papers on the Predicate Calculus / by S.C. Kleene. 1952.
MLA-čujuhus (9. p.)Two Papers on the Predicate Calculus / by S.C. Kleene. 1952.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.