@article{AUPCDM_2014_6_1_a0,
     author = {Biesiada, Micha{\l} and G\'orowski, Jan and {\L}omnicki, Adam},
     title = {Nowe cechy r\'ownobocznych tr\'ojk\k{a}t\'ow},
     journal = {Annales Universitatis Paedagogicae Cracoviensis. Studia ad Didacticam Mathematicae Pertinentia},
     pages = {5--18},
     publisher = {mathdoc},
     volume = {6},
     number = {1},
     year = {2014},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/AUPCDM_2014_6_1_a0/}
}