@inproceedings{8e0fdab119d64ec9b3691314c124b14d,
title = "Sojourn times of reflecting rays and singularities of the scattering kernel",
author = "V. Petkov and Luchezar Stoyanov",
year = "1995",
language = "English",
isbn = "0898713501",
volume = "62",
pages = "516--525",
editor = "G. Cohen",
booktitle = "Third International Conference on Mathematical and Numerical Aspects of Wave Propagation Phenomena",
publisher = "SIAM",
edition = "France",
note = "Sojourn times of reflecting rays and singularities of the scattering kernel ; Conference date: 01-01-1995",
}