TY - JOUR TI - Book reviews JO - Kybernetika PY - 1999 SP - [665] VL - 35 IS - 5 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/KYB_1999__35_5_a7/ LA - en ID - KYB_1999__35_5_a7 ER -