@article{IVM_1977_11_a15, author = {V. V. Goldberg}, title = {On the theory of 4-webs of multidimensional surfaces on a~differentiable manifold $X_{2r}$}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {118--121}, publisher = {mathdoc}, number = {11}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1977_11_a15/} }