TY - BOOK AU - Lancaster,Kelvin TI - Mathematical economics T2 - Macmillan series in economics AV - HB74.M3 L28 U1 - 330/.01/82 PY - 1968///] CY - New York PB - Macmillan KW - Economics, Mathematical KW - Local N1 - Bibliography: p. 385-392 ER -