@article{IM2_2012_76_5_a0,
     author = {S. M. Ageev},
     title = {Isovariant extensors and the characterization of equivariant homotopy equivalences},
     journal = {Izvestiya. Mathematics },
     pages = {857--880},
     publisher = {mathdoc},
     volume = {76},
     number = {5},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2012_76_5_a0/}
}