1) PRODUCT , COPRODUCT , SUPREMUM , INFIMUM MULTI-PLACE FIELDS OF  FIELDS .  POWER SERIES REPRESENTATION. APPLICATIONS IN THE DEFINITION OF MULTI-p-ADIC NUMBERS. (1990)

In this paper, are discovered the multi-p-adic numbers.

2) Graphs and Trees  organized in to  Rings  (1993).

In this paper we show how finite  graphs  and trees endowed with serial and parallel  composition become rings.