%0 Journal Article %A I. Ya. Aref'eva %A I. V. Volovich %A B. G. Dragovich %T Spontaneous reduction in multidimensional ($D=10, 11$) supergravity theories with arbitrary signature %J Teoretičeskaâ i matematičeskaâ fizika %D 1987 %P 422-431 %V 70 %N 3 %U http://geodesic.mathdoc.fr/item/TMF_1987_70_3_a9/ %G ru %F TMF_1987_70_3_a9