%0 Journal Article %A I. I. Matveeva %T Necessary and sufficient conditions for the solvability of boundary value problems for systems that are not of Cauchy--Kovalevskaya type %J Sibirskij žurnal industrialʹnoj matematiki %D 2001 %P 184-204 %V 4 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJIM_2001_4_2_a11/ %G ru %F SJIM_2001_4_2_a11