%0 Journal Article %A V. I. Ruderfer %T On the zeros of the solutions of a class of analytic systems %J Sbornik. Mathematics %D 1979 %P 207-217 %V 35 %N 2 %U http://geodesic.mathdoc.fr/item/SM_1979_35_2_a3/ %G en %F SM_1979_35_2_a3