000 00291nam a2200121 4500
082 _a330.015 ALL-M2
100 _aAllen, R G D
245 _aMathematical economics /
250 _a2nd ed.
260 _a London :
_c1960.
_bMacmillan & Co,
650 _aMathematical economics
942 _cBK
999 _c308412
_d308412