@article{MAN_1977__225_162920,
     author = {Avner Ash},
     title = {Deformation {Retracts} with {Lowest} {Possible} {Dimension} of  {Arithmetic} {Quotients} of {Self-Adjoint} {Homogeneous} {Cones.}},
     journal = {Mathematische Annalen},
     pages = {69--76},
     publisher = {mathdoc},
     volume = {225},
     year = {1977},
     zbl = {0343.20026},
     url = {http://geodesic.mathdoc.fr/item/MAN_1977__225_162920/}
}