000 00335nam a2200097Ia 4500
008 240404s9999 xx 000 0 und d
100 _aDuggal, Krishan
245 0 _aLightlike Submanifolds of Semi-Riemannian manifolds and Applications
_cKrishan Duggal
260 _aDodrecht, Boston
_bKluwer Academic Publishers
_c1996
942 _aIMAR
_cCART
999 _c32723
_d32723