@article{MET_1966__10_175280,
     author = {D. Strobel},
     title = {Estimation of the {Sum} of {Statistical} {Variables} by {Using} {Classes} with {Random} {Limits}},
     journal = {Metrika},
     pages = {39--45},
     publisher = {mathdoc},
     volume = {10},
     year = {1966},
     url = {http://geodesic.mathdoc.fr/item/MET_1966__10_175280/}
}