@article{10_21136_CPM_1979_118005,
     author = {Kraemer, Emil},
     title = {Sedmdes\'atn{\'\i}k {Jan} {Vy\v{s}{\'\i}n}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {107--111},
     publisher = {mathdoc},
     volume = {104},
     number = {1},
     year = {1979},
     doi = {10.21136/CPM.1979.118005},
     mrnumber = {523577},
     zbl = {0394.01024},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1979.118005/}
}