ELECTROHYDRODYNAMIC INSTABILITIES IN THE LIQUID CRYSTALLINE PHASES WITH SMECTIC ORDERING L. M. BLINOV, M. I. BARNIK, V. T. LAZAREVA et A. N. TRUFANOV J. Phys. Colloques, 40 C3 (1979) C3-263-C3-268 DOI: 10.1051/jphyscol:1979350