000 00301nam a22001217a 4500
003 OSt
008 230920b |||||||| |||| 00| 0 eng d
082 _a510
_bL39
100 _aAshton, Floyd M.
245 _aLecture Notes in Mathematics
260 _aBerlin
_bSpringer - Verlag
_c1973
942 _2ddc
_cBK
999 _c32064
_d32064