%0 Journal Article %A Mangeron, D. %A Krivoshein, L. E. %A Fernández, D. L. %T Existence, uniqueness, approxiniate solutions construction and errors valuation theorems concerning mixed structure mathematical systems which generalizate the normal functioning of a single nerve equations. %J Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales %D 1982 %P 645-657 %V 76 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RRACEFN_1982_1982_1_a24/ %G es %F RRACEFN_1982_1982_1_a24