Allen, R.G.D..
Macro-Economic Theory: A Mathematical Treatment / - Reprinted 1970 / - London : Macmillan and Co Ltd.. - p.420 :
XobB / K7;1
Macro-Economic Theory: A Mathematical Treatment / - Reprinted 1970 / - London : Macmillan and Co Ltd.. - p.420 :
XobB / K7;1