by Lamrani, B, Guérin, J.-P, Oudet, B.-A
Published in Revue économique (01.09.1975)

by Oudet, B. A
Published in Annals of Economic and Social Measurement, Volume 5, number 2 (1976)

by Oudet, Bruno A.
Published in Journal of financial and quantitative analysis (01.03.1973)