TY - JOUR AU - V. A. Kyrov TI - On local extension of the group of parallel translations in three-dimensional space JO - Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki PY - 2022 SP - 62 EP - 80 VL - 32 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VUU_2022_32_1_a4/ LA - ru ID - VUU_2022_32_1_a4 ER -