@article{KYB_1965__1_4_a0, author = {Perez, Albert}, title = {Information, $\varepsilon$-sufficiency and data reduction problems}, journal = {Kybernetika}, pages = {--323}, publisher = {mathdoc}, volume = {01}, number = {4}, year = {1965}, mrnumber = {0205410}, zbl = {0156.40603}, language = {en}, url = {http://geodesic.mathdoc.fr/item/KYB_1965__1_4_a0/} }