TY - JOUR AU - Langer, Miroslav AU - Kelemenová, Alica TI - Positioned agents in eco-grammar systems with border markers and pure regulated grammars JO - Kybernetika PY - 2012 SP - 502 EP - 517 VL - 48 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KYB_2012__48_3_a10/ LA - en ID - KYB_2012__48_3_a10 ER -