@article{TIMM_2007_13_2_a16,
     author = {A. G. Chentsov},
     title = {Extensions of abstract problems of attainability: {Nonsequential} version},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {184--217},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2007_13_2_a16/}
}