The SuperFET : a high-performance GaAs voltage-controlled current source for cryogenic applications D. V. Camin, G. Pessina, E. Previtali et P. RamaioliJ. Phys. IV France, 08 PR3 (1998) Pr3-167-Pr3-170DOI: https://doi.org/10.1051/jp4:1998336