000 00296nam a22001097a 4500
003 OSt
008 230911b |||||||| |||| 00| 0 eng d
100 _aRichard, J. F.
245 _aLecture notes in Economics & Mathematical Systems - 84
260 _aBerlin
_bSpringer-Verlag
_c1973
942 _2ddc
_cBK
999 _c31475
_d31475