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@article{DA_2005_12_3_a5, author = {T. I. Fedoryaeva}, title = {Variety of balls in metric spaces of trees}, journal = {Diskretnyj analiz i issledovanie operacij}, pages = {74--84}, publisher = {mathdoc}, volume = {12}, number = {3}, year = {2005}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DA_2005_12_3_a5/} }
T. I. Fedoryaeva. Variety of balls in metric spaces of trees. Diskretnyj analiz i issledovanie operacij, Tome 12 (2005) no. 3, pp. 74-84. http://geodesic.mathdoc.fr/item/DA_2005_12_3_a5/
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