@article{AUPCDM_2014_6_1_a5,
     author = {G\'orowski, Jan and {\L}omnicki, Adam},
     title = {Tr\'ojk\k{a}ty \'srednioboczne o \'srodkowej maj\k{a}cej d{\l}ugo\'s\'c wymiern\k{a}},
     journal = {Annales Universitatis Paedagogicae Cracoviensis. Studia ad Didacticam Mathematicae Pertinentia},
     pages = {87--93},
     publisher = {mathdoc},
     volume = {6},
     number = {1},
     year = {2014},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/AUPCDM_2014_6_1_a5/}
}