@article{10_4064_fm_68_3_269_279,
     author = {R. W\'ojcicki},
     title = {Some remarks on the consequence operation in sentential logics},
     journal = {Fundamenta Mathematicae},
     pages = {269--279},
     publisher = {mathdoc},
     volume = {68},
     number = {3},
     year = {1970},
     doi = {10.4064/fm-68-3-269-279},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-68-3-269-279/}
}