TY - JOUR AU - Vladimir A. Kyrov TI - Commutative hypercomplex numbers and the geometry of two sets JO - Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika PY - 2020 SP - 373 EP - 382 VL - 13 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JSFU_2020_13_3_a10/ LA - en ID - JSFU_2020_13_3_a10 ER -