@article{10_21136_CPMF_1929_108915,
     author = {Lenz, V.},
     title = {O jist\'em vztahu mezi agreg\'atn{\'\i}mi a selek\v{c}n{\'\i}mi tabulkami \'umrtnosti invalid\r{u}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {56--59},
     publisher = {mathdoc},
     volume = {58},
     number = {1-2},
     year = {1929},
     doi = {10.21136/CPMF.1929.108915},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1929.108915/}
}