@article{AA_2015_27_4_a0,
     author = {G. G. Amosov and V. Zh. Sakbaev},
     title = {Geometric properties of systems of vector states and expansion of states in {Pettis} integrals},
     journal = {Algebra i analiz},
     pages = {1--14},
     publisher = {mathdoc},
     volume = {27},
     number = {4},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2015_27_4_a0/}
}