Anisotropic exciton states in GaAs/AlAs superlattices in zero and non-zero magnetic field C. GOURDON, D. Yu. RODICHEV, P. LAVALLARD, G. BACQUET et R. PLANELLe Journal de Physique IV, 03 C5 (1993) C5-183-C5-186DOI: https://doi.org/10.1051/jp4:1993534