00453nam a2200145Ia 4500008004100000020001600041040001700057082002500074100001700099245005400116250001200170260005200182300001400234650005900248190328s9999||||xx |||||||||||||| ||und||  a333-05269-2  aNITILcNITIL  221sta330.182bA428M  aAllen, R G D 0aMathematical analysis for economistscR G D Allen  aE L B S  aLondonbThe English Language Book Societyc1968  axvi,548p.  aEconomics, Mathematical; Economics-Mathematical models