K. Kawahata and M. Fujiwara: J. Phys. Soc. Japan 40 (1976) 1150.
There has been the extensive literature for linear analysis of this instability. See, for example, A. A. Rukhadze and V. P. Silin: Soviet Physics-Uspekhi 11 (1969) 659.
T. H. Stix: Phys. of Fluids 12 (1969) 627.
F. L. Hinton and C. W. Horton, Jr.: Phys. of Fluids 14 (1971) 116.
D. A. Monticello and A. Simon: Phys. of Fluids 17 (1974)791.