On formally undecidable propositions of Principia mathematica and related systems.
Translated by B. Meltzer. With introd. by R.B. Braithwaite.
- New York Basic Books [c1962]
- 72 p. 19 cm.
Translation of paper entitled Über formal unentscheidbare Sätze der Principia Mathematica und verwandter Systeme I, published in the Monatshefte für Mathematik und Physik, v. 38, p. 173-198, 1931.