00354nam a2200133Ia 4500008004100000040001700041082002600058100001700084245004000101250000800141260002800149300001600177650002700193190329s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta330.1543bA425M  aAllen, R G D 0aMathematical economicscR G D Allen  a2nd  aLondonbmacmillanc1959  axviii,812p.  aMathematical Economics