%0 Journal Article %A V. A. Zolotarev %T On commutative systems of nonselfadjoint unbounded linear operators %J Žurnal matematičeskoj fiziki, analiza, geometrii %D 2009 %P 275-295 %V 5 %N 3 %U http://geodesic.mathdoc.fr/item/JMAG_2009_5_3_a2/ %G en %F JMAG_2009_5_3_a2