TY - JOUR TI - News JO - Kybernetika PY - 2003 SP - [651] VL - 39 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KYB_2003__39_5_a11/ LA - en ID - KYB_2003__39_5_a11 ER -