TY - GEN AU - Luckhardt,Horst TI - Extensional Godel functional interpretation: a consistency proof of classical analysis T2 - Lecture notes in mathematics, 306 SN - 0387061193 PY - 1973/// CY - Berlin, New York PB - Springer-Verlag KW - Proof theory KW - Intuitionistic mathematics N1 - Contine bibliografie ER -