Mehta, J.S.
, Swamy, P. A. V. B., 1934-
and von zur Muehlen, P. (Peter). "Some Problems with Identification in Parametric Models, No. 144,"
Finance and Economics Discussion Series
(December 1990).
https://fraser.stlouisfed.org/title/1491/item/717747, accessed on February 14, 2026.