@article{GDZPPN002349418,
title = {Sufficient Data Reduction and Exponential Families.},
journal = {Mathematica Scandinavica},
volume = {22},
year = {1968},
pages = {197-202},
zbl = {0249.62018},
url = {http://dml.mathdoc.fr/item/GDZPPN002349418}
}
Barndorff-Nielsen, O., Pedersen, K. Sufficient Data Reduction and Exponential Families.. Mathematica Scandinavica, Tome 22 (1968) pp. 197-202. http://gdmltest.u-ga.fr/item/GDZPPN002349418/