@article{STUMA_1976__59_2_218088, author = {S. Rolewicz}, title = {On universal time for the controllability of time-depending linear control systems}, journal = {Studia Mathematica}, pages = {133}, publisher = {mathdoc}, volume = {59}, number = {2}, year = {1976}, zbl = {0447.93010}, language = {en}, url = {https://geodesic-test.mathdoc.fr/item/STUMA_1976__59_2_218088/} }