Dag Prawitz. Hauptsatz for Higher Order Logic. Journal of Symbolic Logic, 33(3):452-457, 1968.
@article{Prawitz68, title = {Hauptsatz for Higher Order Logic}, author = {Dag Prawitz}, year = {1968}, tags = {logic}, researchr = {https://researchr.org/publication/Prawitz68}, cites = {0}, citedby = {0}, journal = {Journal of Symbolic Logic}, volume = {33}, number = {3}, pages = {452-457}, }