@article{PMFA_1972_17_6_a5,
     author = {Sodomka, Lubom{\'\i}r},
     title = {Pevnost materi\'alu},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {331--340},
     year = {1972},
     volume = {17},
     number = {6},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1972_17_6_a5/}
}