Landau, L.D. Quantum mechanics : Non-relativistic theory / by L.D. Landau and E.M. Lifshitz - 3rd ed. - New York: Pergamon Press, 1977. - xiv, 673p. ISBN: 0080209408 Subjects--Topical Terms: Angular momentumDensity matrixPhysicsQuantum mechanics Dewey Class. No.: 530.12 / LAN/Q