@article{MET_1986__33_176048,
     author = {N. Herrndorf},
     title = {An {Invariance} {Principle} for {Reduced} {U-Statistics.}},
     journal = {Metrika},
     pages = {179--188},
     publisher = {mathdoc},
     volume = {33},
     year = {1986},
     zbl = {0606.62036},
     url = {http://geodesic.mathdoc.fr/item/MET_1986__33_176048/}
}