@article{ADM_2003_2_a1,
     author = {Ivica Bo\v{s}njak and Roz\'aalia Madar\'asz},
     title = {On power structures},
     journal = {Algebra and discrete mathematics},
     pages = {14--35},
     publisher = {mathdoc},
     number = {2},
     year = {2003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2003_2_a1/}
}