1. The type free lambda-calculus;Barendregt,1977
2. The Lambda-Calculus, its Syntax and Semantics;Barendregt,1980
3. Equality of lambda-terms in the model Tθ;Barendregt,1980
4. Computable functionals of finite type;Ershov;Algebra i Logika,1972
5. Continuous lattices and A-spaces;Ershov;Dokl. Akad. Nauk. SSSR,1972