@article{10_21136_CPM_1960_108130,
     author = {Rychl{\'\i}k, Karel},
     title = {V\'ypo\v{c}et z\'akladu $e$ p\v{r}irozen\'ych logaritm\r{u}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {37--43},
     publisher = {mathdoc},
     volume = {085},
     number = {1},
     year = {1960},
     doi = {10.21136/CPM.1960.108130},
     mrnumber = {0114727},
     zbl = {0109.08903},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1960.108130/}
}