@article{DAN_1957_117_5_a9, author = {S. M. Chashechnikov}, title = {The theory of the field of local hypercones in $X_n$}, journal = {Doklady Akademii Nauk}, pages = {765--768}, publisher = {mathdoc}, volume = {117}, number = {5}, year = {1957}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1957_117_5_a9/} }