@article{10_21136_CPMF_1946_121085,
     author = {P{\'\i}rko, Zden\v{e}k},
     title = {Pohyb prom\v{e}nn\'eho rovinn\'eho \'utvaru},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {71--77},
     year = {1946},
     volume = {71},
     number = {1-4},
     doi = {10.21136/CPMF.1946.121085},
     mrnumber = {0020363},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1946.121085/}
}