Inhomogeneity of electron liquid and effects of interlayer coupling in GaAs/AlGaAs superlattices in the regime of the quantum Hall effect - Pusep, Yuri A; Guimarães, Francisco Eduardo Gontijo; Arakaki, Haroldo; Souza, C. A.; Chiquito, A. J. (International Journal of Modern Physics B, 2007)