@article{RMF_2008_83_3_a5,
     author = {Naj\'ares Romero, Roberto Marcial},
     title = {Geometrick\'y d\r{u}kaz zobecn\v{e}n\'e {Pythagorovy} v\v{e}ty},
     journal = {Rozhledy matematicko-fyzik\'aln{\'\i}},
     pages = {48--53},
     year = {2008},
     volume = {83},
     number = {3},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/RMF_2008_83_3_a5/}
}