@article{PIM2_1998__64(78)_258083,
     author = {Do\v{s}en, Kosta},
     title = {Deductive systems and categories.},
     journal = {Publications de l 'Institut Math\'ematique. Nouvelle S\'erie},
     pages = {21},
     publisher = {mathdoc},
     volume = {64(78)},
     year = {1998},
     zbl = {0999.18001},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/PIM2_1998__64(78)_258083/}
}