@article{DA_1982_22_a6,
     author = {S. I. Suslov},
     title = {Closedness of a bundle of trajectories in {Banach} space},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {66--69},
     year = {1982},
     number = {22},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_1982_22_a6/}
}