@article{10_21136_CPMF_1882_121923,
     author = {Lerch, Maty\'a\v{s}},
     title = {Pozn\'amka o funkci $\frac{\sin x}{x}$},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {292--294},
     publisher = {mathdoc},
     volume = {11},
     number = {4},
     year = {1882},
     doi = {10.21136/CPMF.1882.121923},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1882.121923/}
}