@article{SM_2012_203_6_a0,
     author = {S. M. Ageev},
     title = {On {Palais} universal $G$-spaces and isovariant absolute extensors},
     journal = {Sbornik. Mathematics},
     pages = {769--797},
     publisher = {mathdoc},
     volume = {203},
     number = {6},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2012_203_6_a0/}
}