@article{FAA_1974_8_2_a27,
     author = {O. V. Schwarzman},
     title = {Simple-connectivity of a factor-space of the modular {Hilbert} group},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {99--100},
     publisher = {mathdoc},
     volume = {8},
     number = {2},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1974_8_2_a27/}
}