@article{ZR_2015_17_25_a5,
     author = {Milo\v{s} S. Kurili\'c},
     title = {Posets of {Isomorphic} {Substructures} of {Relational} {Structures}},
     journal = {Zbornik radova},
     pages = {117 },
     publisher = {mathdoc},
     volume = {17},
     number = {25},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZR_2015_17_25_a5/}
}