Geometry PDF catalog / en
- SIGMA full English PDF -
2026_kurpishev_sigma_packet_geometry_en.pdf - Axiomatic packet geometry EN -
2026_kurpishev_axiomatic-packet-geometry_en.pdf - Three jugs Desargues EN -
2026_kurpishev_three-jugs-desargues_en.pdf - Jonty-Riem EN -
2026_kurpjonty-riem_en.pdf - Packet interval EN -
kurpishev_packet_interval_en.pdf