@article{10_4064_cm_1_4_312_321,
     author = {Hugo Steinhaus},
     title = {Elementary inequalities between the expected values of current estimates of variance},
     journal = {Colloquium Mathematicum},
     pages = {312--321},
     publisher = {mathdoc},
     volume = {1},
     number = {4},
     year = {1947},
     doi = {10.4064/cm-1-4-312-321},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-1-4-312-321/}
}