@article{10_21136_CPM_1952_117019,
     author = {Petrov, G.},
     title = {O podm{\'\i}nk\'ach konstrukce troj\'uheln{\'\i}ku},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {77--92},
     publisher = {mathdoc},
     volume = {077},
     number = {1},
     year = {1952},
     doi = {10.21136/CPM.1952.117019},
     mrnumber = {0052107},
     zbl = {0082.14303},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1952.117019/}
}