@article{1183735731,
author = {Riser, John},
title = {A Gentzen-Type Calculus of Sequents for Single-Operator Propositional Logic},
journal = {J. Symbolic Logic},
volume = {32},
number = {1},
year = {1967},
pages = { 75-80},
language = {en},
url = {http://dml.mathdoc.fr/item/1183735731}
}
Riser, John. A Gentzen-Type Calculus of Sequents for Single-Operator Propositional Logic. J. Symbolic Logic, Tome 32 (1967) no. 1, pp. 75-80. http://gdmltest.u-ga.fr/item/1183735731/