On theorems of R.~Rado and of D.~Watson
Modelirovanie i analiz informacionnyh sistem, Tome 14 (2007) no. 4, pp. 36-42.

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Theorems of R. Rado and of D. Watson are generalizations for theorems P. Kirchberger and C. Caratheodory. In the paper we will consider some generalizations and refinements for these theorems.
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V. L. Dol'nikov. On theorems of R.~Rado and of D.~Watson. Modelirovanie i analiz informacionnyh sistem, Tome 14 (2007) no. 4, pp. 36-42. http://geodesic.mathdoc.fr/item/MAIS_2007_14_4_a6/

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