@book
{TN_libero_mab2,
author = {
Elfving, Gustav
},
title = {
Sufficiency and completeness in decision function theory
},
publisher = {Suomalainen Tiedeakatemia},
year = {1952},
booktitle = {Suomalaisen Tiedeakatemian toimituksia ; Sarja A = Series A. 1, Mathematica, physica ; 135},
address = {
Helsinki
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}