TY - JOUR AU - M. I. Belishev AU - A. F. Vakulenko TI - On algebras of harmonic quaternion fields in ${\mathbb R}^3$ JO - Algebra i analiz PY - 2019 SP - 1 EP - 17 VL - 31 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_2019_31_1_a0/ LA - ru ID - AA_2019_31_1_a0 ER -