Sara Negri, Jan von Plato. Sequent Calculus in Natural Deduction Style. Journal of Symbolic Logic, 66(4):1803-1816, 2001.
@article{NegriP01, title = {Sequent Calculus in Natural Deduction Style}, author = {Sara Negri and Jan von Plato}, year = {2001}, researchr = {https://researchr.org/publication/NegriP01}, cites = {0}, citedby = {0}, journal = {Journal of Symbolic Logic}, volume = {66}, number = {4}, pages = {1803-1816}, }