%0 Journal Article %A V. P. Derevenskii %T Polynomial first-order differential equations over matrix skew series %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2014 %P 3-16 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2014_9_a0/ %G ru %F IVM_2014_9_a0