D. V. Smetnev, V. M. Murav'ev, I. V. Andreev, I. V. Kukushkin, “Study of edge magnetoplasma excitations in two-dimensional electron systems with various edge depletion profiles”, Pis'ma v Zh. Èksper. Teoret. Fiz., 94:2 (2011), 141–145; JETP Letters, 94:2 (2011), 137–141
