TY - JOUR AU - V. A. Kyrov TI - Analytic embedding of pseudo-Helmholtz geometry JO - Izvestiya of Saratov University. Mathematics. Mechanics. Informatics PY - 2021 SP - 294 EP - 304 VL - 21 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ISU_2021_21_3_a1/ LA - ru ID - ISU_2021_21_3_a1 ER -