Ovchinnikov, A. A. Max Planck Institute for the Physics of Complex Systems, Max Planck Society;
Ovchinnikov, A. A., & Ovchinnikova, M. Y. (2002). Band splitting and relative spin alignment in bilayer systems. Journal of Experimental and Theoretical Physics, 94(1), 123-134. Retrieved from http://ojps.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JTPHES000094000001000123000001&idtype=cvips&gifs=Yes.