@article{IM2_1967_1_5_a7,
     author = {M. L. Gromov},
     title = {A geometrical conjecture of {Banach}},
     journal = {Izvestiya. Mathematics},
     pages = {1055--1064},
     year = {1967},
     volume = {1},
     number = {5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1967_1_5_a7/}
}