@article{BSL_2017_46_1-2_a1,
     author = {Karpenko, Alexander S.},
     title = {Four-Valued {Logics} {BD} and {DM4:} {Expansions}},
     journal = {Bulletin of the Section of Logic},
     publisher = {mathdoc},
     volume = {46},
     number = {1-2},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BSL_2017_46_1-2_a1/}
}