Luesink, Rob (1991) Relations between the likelihood ratios for 2D continuous and discrete time stochastic processes. In: 30th IEEE Conference on Decision and Control, 11-13 December 1991, Brighton, UK (pp. pp. 2394-2395).
Luesink, Rob and Bagchi, Arunabha (1991) Krein factorization of covariance operators of 2-parameter random fields and application to the likelihood ratio. IEEE Transactions on Information Theory, 37 (1). pp. 53-59. ISSN 0018-9448
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