%0 Journal Article %A E. I. Kaikina %A P. I. Naumkin %A I. A. Shishmarev %T Cauchy problem for non-linear systems of equations in the critical case %J Sbornik. Mathematics %D 2004 %P 1575-1605 %V 195 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2004_195_11_a2/ %G en %F SM_2004_195_11_a2