@article{ZNSL_1999_256_a1,
     author = {A. Gorbulsky},
     title = {About one property of entropy of decreasing sequence of measureble partitions},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {19--24},
     year = {1999},
     volume = {256},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1999_256_a1/}
}