Cite
APA Citation
Alexander, S., Kapovitch, V., & Petrunin, A. (2019). An invitation to Alexandrov geometry : CAT(0) spaces. Cham, Switzerland : Springer. http://access.bl.uk/ark:/81055/vdc_100080719510.0x000001
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Alexander, S., Kapovitch, V., & Petrunin, A. (2019). An invitation to Alexandrov geometry : CAT(0) spaces. Cham, Switzerland : Springer. http://access.bl.uk/ark:/81055/vdc_100080719510.0x000001