1.
, . Geometry of reflecting rays and inverse spectral problems. Chichester, England, New York: John Wiley & sons; 1992.
et . Geometry of reflecting rays and inverse spectral problems. Chichester, England, New York : John Wiley & sons, 2 mai 1992. ISBN 978-0-471-93174-4
Petkov Vesselin & Stoyanov Luchezar N. (1992). Geometry of reflecting rays and inverse spectral problems. John Wiley & sons.
Style de citation MLA (8e éd.)Petkov Vesselin et Stoyanov Luchezar N. Geometry of Reflecting Rays and Inverse Spectral Problems. John Wiley & sons, 1992.
Attention : ces citations peuvent ne pas être correctes à 100%.