@article{ZNSL_1984_136_a2,
     author = {M. S. Ermakov},
     title = {On sufficient statistics for families of distribution with variable support},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {27--47},
     year = {1984},
     volume = {136},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1984_136_a2/}
}