00349nam a2200133Ia 4500008004100000082001300041100001800054245002800072250001200100260002800112300001600140600001700156650004200173140224s9999    xx            000 0 und d  a33:51 J9  aAllen, R.G.D.  aMathematical economics.  a2nd ed.  aLondonbMacmillanc1956  axviii,812p.  aR.G.D. Allen  aEconometrics,Economics, Mathematical.