SC, C., JM, R., & RG, L. (1990). Geometrical properties of Maslov indices in the semiclassical trace formula for the density of states. Physical review. A, Atomic, molecular, and optical physics, 42(4), 1907. https://doi.org/10.1103/physreva.42.1907
Chicago Style (17th ed.) CitationSC, Creagh, Robbins JM, and Littlejohn RG. "Geometrical Properties of Maslov Indices in the Semiclassical Trace Formula for the Density of States." Physical Review. A, Atomic, Molecular, and Optical Physics 42, no. 4 (1990): 1907. https://doi.org/10.1103/physreva.42.1907.
MLA (9th ed.) CitationSC, Creagh, et al. "Geometrical Properties of Maslov Indices in the Semiclassical Trace Formula for the Density of States." Physical Review. A, Atomic, Molecular, and Optical Physics, vol. 42, no. 4, 1990, p. 1907, https://doi.org/10.1103/physreva.42.1907.