%0 Journal Article %A L. M. Kress %T Affine connections that allow four-term groups of infinitesimal transformations %J Trudy Geometricheskogo Seminara %D 1989 %P 60-70 %V 19 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUTGS_1989_19_a7/ %G ru %F KUTGS_1989_19_a7