Jan von Plato. A proof of Gentzen s Hauptsatz without multicut. Arch. Math. Log., 40(1):9-18, 2001. [doi]
@article{Plato01, title = {A proof of Gentzen s Hauptsatz without multicut}, author = {Jan von Plato}, year = {2001}, doi = {10.1007/s001530050170}, url = {http://dx.doi.org/10.1007/s001530050170}, researchr = {https://researchr.org/publication/Plato01}, cites = {0}, citedby = {0}, journal = {Arch. Math. Log.}, volume = {40}, number = {1}, pages = {9-18}, }