TY - JOUR AU - S. Rolewicz TI - On universal time for the controllability of time-depending linear control systems JO - Studia Mathematica PY - 1976 SP - 133 VL - 59 IS - 2 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/STUMA_1976__59_2_218088/ LA - en ID - STUMA_1976__59_2_218088 ER -