%0 Journal Article %A A. A. Shlapunov %T On some conditions for the solvability of overdetermined systems of differential equations in Sobolev spaces %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2005 %P 70-80 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2005_4_a8/ %G ru %F IVM_2005_4_a8