Energy conservation successes and failures G. P. Szego Journal of Banking & Finance 1987 11(4), 607-608
A note on co-variance properties of efficient portfolios G. P. Szego Journal of Banking & Finance 1978 2(4), 399-401
Mathematical Methods in Investment and Finance. Frank Jen; G. P. Szego; Karl Shell Journal of Finance 1974 29(3), 1036