References
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- Gesztesy F. Tsekanovskiǐ E.R. On matrix-valued Herglotz functions Math. Nachr., (to appear)
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- Hassi S. de Snoo H.S.V. Tsekanovskiǐ E.R. An addendum to the multiplication and factorization theorems of Brodskiǐ-Livšic-Potapov Applicable Analysis, (to appear)