Παραπομπή APA

Davis, M. (1994). Solvability, provability, definability: The collected works of Emil L. Post. Boston, MA: Birkhauser.

Παραπομπή Chicago Style

Davis, Martin. Solvability, Provability, Definability: The Collected Works of Emil L. Post. Boston, MA: Birkhauser, 1994.

Παραπομπή MLA

Davis, Martin. Solvability, Provability, Definability: The Collected Works of Emil L. Post. Boston, MA: Birkhauser, 1994.

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