RT Conference Proceedings SR 00 A1 Gragnani, A. A1 Rinaldi, S. A1 Feichtinger, G. T1 Slow-Fast limit cycles in controlled drug markets YR 1995 FD 5-8 September 1995 T2 Proceedings of 3rd European Control Conference ECC '95 AV Published LK https://pure.iiasa.ac.at/id/eprint/4406/