%0 Journal Article %A V. A. Kyrov %T Analytical embedding of three-dimensional Helmholtz-type geometries %J Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki %D 2019 %P 532-547 %V 29 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VUU_2019_29_4_a4/ %G ru %F VUU_2019_29_4_a4