@article{IM2_2005_69_4_a5,
     author = {D. V. Poryvai},
     title = {The invariance principle for~conditional empirical processes
},
     journal = {Izvestiya. Mathematics },
     pages = {771--789},
     publisher = {mathdoc},
     volume = {69},
     number = {4},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2005_69_4_a5/}
}