Super Low-Noisy Cooling Amplifier of Millimeter Range with Using the HEMT-Transistors O. D. Poustylnik, A. A. Maksiasheva et O. P. GolovchenkoJ. Phys. IV France, 06 C3 (1996) C3-245-C3-249DOI: https://doi.org/10.1051/jp4:1996337