TY - JOUR AU - S. Rolewicz TI - On controllability of systems of strings JO - Studia Mathematica PY - 1970 SP - 105 EP - 110 VL - 36 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-36-2-105-110/ DO - 10.4064/sm-36-2-105-110 LA - en ID - 10_4064_sm_36_2_105_110 ER -