@article{ADM_2003_1_a2,
     author = {J\={a}nis C\={i}rulis},
     title = {Multi-algebras from the viewpoint of algebraic logic},
     journal = {Algebra and discrete mathematics},
     pages = {20--31},
     year = {2003},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2003_1_a2/}
}