%0 Journal Article %A N. K. Smolentsev %T On almost (para)complex Cayley structures on spheres $\mathbf{S}^{2,4}$ and $\mathbf{S}^{3,3}$ %J Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika %D 2018 %P 22-38 %N 53 %I mathdoc %U http://geodesic.mathdoc.fr/item/VTGU_2018_53_a2/ %G ru %F VTGU_2018_53_a2