TY  - JOUR
TI  - Book reviews
JO  - Kybernetika
PY  - 1992
VL  - 28
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/KYB_1992__28_5_a6/
LA  - en
ID  - KYB_1992__28_5_a6
ER  -