@article{DMGAA_2001_21_2_a8,
     author = {Dorninger, Dietmar and L\"anger, Helmut and Maczy\'nski, Maciej},
     title = {Ring-like structures with unique symmetric difference related to quantum logic},
     journal = {Discussiones Mathematicae. General Algebra and Applications},
     pages = {239--253},
     publisher = {mathdoc},
     volume = {21},
     number = {2},
     year = {2001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGAA_2001_21_2_a8/}
}