@article{TM_2008_263_a1,
     author = {Ya. V. Bazaikin},
     title = {Noncompact {Riemannian} {Spaces} with the {Holonomy} {Group} $\operatorname{Spin}(7)$ and {3-Sasakian} {Manifolds}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {6--17},
     publisher = {mathdoc},
     volume = {263},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2008_263_a1/}
}