ON THE MECHANISM OF GLOW DISCHARGE INSTABILITY FOLLOWING THE TURN-OFF A NON-SELF-SUSTAINED IONIZATION SOURCE A.A. Kostylev, J.I. Londer, A.P. Terentyev, K.N. Ulyanov and V.A. Fedorov J. Phys. Colloques, 40 C7 (1979) C7-367-C7-368 DOI: 10.1051/jphyscol:19797180