@article{UZERU_1999_2_a2,
     author = {\'E. A. Mirzakhanyan},
     title = {Some properties of infinitedimensional homotopic groups of subsets of {Hilbert} space},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {17--24},
     publisher = {mathdoc},
     number = {2},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZERU_1999_2_a2/}
}