%0 Journal Article %A M. A. Akivis %A V. V. Goldberg %T The four-webs and the local differentiable ternary quasigroup that are determined by a~quadruple of surfaces of codimension two %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1974 %P 12-24 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1974_5_a1/ %G ru %F IVM_1974_5_a1