E. G. K. López-Escobar. Implicational Logics in Natural Deduction Systems. Journal of Symbolic Logic, 47(1):184-186, 1982.
@article{Lopez-Escobar82, title = {Implicational Logics in Natural Deduction Systems}, author = {E. G. K. López-Escobar}, year = {1982}, tags = {e-science, logic}, researchr = {https://researchr.org/publication/Lopez-Escobar82}, cites = {0}, citedby = {0}, journal = {Journal of Symbolic Logic}, volume = {47}, number = {1}, pages = {184-186}, }