TY - JOUR AU - Kindler, Evžen TI - Mathematical theory of static systems JO - Kybernetika PY - 1977 SP - 176 EP - 189 VL - 13 IS - 3 UR - http://geodesic.mathdoc.fr/item/KYB_1977_13_3_a1/ LA - en ID - KYB_1977_13_3_a1 ER -