@article{IVM_1974_5_a1, author = {M. A. Akivis and V. V. Goldberg}, title = {The four-webs and the local differentiable ternary quasigroup that are determined by a~quadruple of surfaces of codimension two}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {12--24}, publisher = {mathdoc}, number = {5}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1974_5_a1/} }