@article{MZM_1985_38_6_a8,
     author = {A. G. Savchenko},
     title = {Functor $\exp^c_n$, absolute retracts and {Hilbert} space},
     journal = {Matemati\v{c}eskie zametki},
     pages = {875--887},
     publisher = {mathdoc},
     volume = {38},
     number = {6},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1985_38_6_a8/}
}