@article{SM_2013_204_8_a4,
     author = {Yu. A. Neretin},
     title = {On the boundary of the group of transformations leaving a~measure quasi-invariant},
     journal = {Sbornik. Mathematics},
     pages = {1161--1194},
     publisher = {mathdoc},
     volume = {204},
     number = {8},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2013_204_8_a4/}
}