@article{10_4064_am_1_4_342_353,
     author = {F. Z{\'\i}tek},
     title = {O pewnych estymatorach odchylenia standardowego},
     journal = {Applicationes Mathematicae},
     pages = {342--353},
     publisher = {mathdoc},
     volume = {1},
     number = {4},
     year = {1953},
     doi = {10.4064/am-1-4-342-353},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-1-4-342-353/}
}