The author explains the idea of the linear methods of band theory and presents formalism of the LAPW (linear augmented plane wave) method and, in particular, of the LMTO-ASA method (linear muffin-tin orbitals in the atomic sphere approximation). He also discusses the concepts of canonical bands and potential parameters.
 

Electronic Structure of Complex Systems. Proceedings of a NATO Advanced Study Institute Editor(s): Phariseau, P.; Temmerman, W.M. New York, NY, USA: Plenum, 1984. p.11-66 of viii+803 pp. 22 refs. Conference: Ghent, Belgium, 12-23 July 1982 Sponsor(s): NATO; NSF; State Univ. Ghent ISBN: 0-306-41824-X.