000 00342nam a22001337a 4500
005 20250704112445.0
008 250704b |||||||| |||| 00| 0 eng d
041 _aeng
100 _aLevitan, B. M.
245 _aSturm-Liouville and dirac operators
_c/ by B. M. Levitan
260 _aDordrecht
_bKluwer
_c1991
300 _a350p.
942 _cBK
999 _c40681
_d40681