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@article{IVM_2004_10_a4, author = {E. N. Sosov}, title = {On the metric space of all 2-nets of a space of nonpositive curvature}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {57--60}, publisher = {mathdoc}, number = {10}, year = {2004}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_2004_10_a4/} }
E. N. Sosov. On the metric space of all 2-nets of a space of nonpositive curvature. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 10 (2004), pp. 57-60. http://geodesic.mathdoc.fr/item/IVM_2004_10_a4/