%0 Journal Article %A S. P. Khekalo %T Solution of the Hadamard problem in the class of stepwise gauge-equivalent deformations of homogeneous differential operators with constant coefficients %J Algebra i analiz %D 2007 %P 200-219 %V 19 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2007_19_6_a9/ %G ru %F AA_2007_19_6_a9