@article{2995577,
    title = "Spectra and Lyapunov Numbers in Pulsating Systems",
    author = "SMITH, H., JR. and CONTOPOULOS, G.",
    journal = "Annals of the New York Academy of Sciences",
    year = "1995",
    volume = "773",
    number = "1",
    pages = "189-204",
    issn = "0077-8923, 1749-6632",
    doi = "10.1111/j.1749-6632.1995.tb12169.x"
}