TY - JOUR AU - V. A. Kyrov TI - Analytical embedding of three-dimensional Helmholtz-type geometries JO - Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki PY - 2019 SP - 532 EP - 547 VL - 29 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VUU_2019_29_4_a4/ LA - ru ID - VUU_2019_29_4_a4 ER -