The uniqueness of the Wold decomposition of a finite-dimensional stationary process without assumption of full rank stationary process and the Lebesgue decomposition of its spectral measure is easily obtained.
@article{104265, author = {Karel Hor\'ak and Vladim\'\i r M\"uller and Pavla Vrbov\'a}, title = {A remark concerning uniqueness of the Wold decomposition of finite-dimensional stationary processes.}, journal = {Applications of Mathematics}, volume = {32}, year = {1987}, pages = {337-345}, zbl = {0645.60043}, mrnumber = {0909541}, language = {en}, url = {http://dml.mathdoc.fr/item/104265} }
Horák, Karel; Müller, Vladimír; Vrbová, Pavla. A remark concerning uniqueness of the Wold decomposition of finite-dimensional stationary processes.. Applications of Mathematics, Tome 32 (1987) pp. 337-345. http://gdmltest.u-ga.fr/item/104265/
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