Fenstad, Jens Erik,

Generalized recursion theory = proceedings of the 1972 Oslo symposium / by: Hinman, Peter G.,; Workshop on the Preservation of Stability under Discretization ((2001 :); Fenstad, Jens Erik, (Language materials, printed)

Proceedings of the Second Scandinavian Logic Symposium by: Association for Symbolic Logic.; Workshop on the Preservation of Stability under Discretization ((2001 :); Fenstad, Jens Erik, (Language materials, printed)