000 00299nam a22001097a 4500
020 _a9781119107668
082 _a515.7222
_bPET.G
100 _aPetkov, Vesselin M
245 _aGeometry of the generalized geodesic flow and inverse spectral problems
260 _aUSA
_bJohn Wiley
_c2017
942 _cBK
999 _c448628
_d448628