%0 Journal Article %A G. G. Amosov %A V. Zh. Sakbaev %T Geometric properties of systems of vector states and expansion of states in Pettis integrals %J Algebra i analiz %D 2015 %P 1-14 %V 27 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2015_27_4_a0/ %G ru %F AA_2015_27_4_a0