@article{CSIS_2013_10_4_a6,
     author = {Zdenek Rybola and Karel Richta},
     title = {Possible {Realizations} of {Multiplicity} {Constraints}},
     journal = {Computer Science and Information Systems},
     publisher = {mathdoc},
     volume = {10},
     number = {4},
     year = {2013},
     url = {http://geodesic.mathdoc.fr/item/CSIS_2013_10_4_a6/}
}