TY - JOUR AU - Vladimir Gutlyanskii AU - Vladimir Ryazanov AU - Eduard Yakubov AU - Artyem Yefimushkin TI - On Hilbert boundary value problem for Beltrami equation JO - Annales Fennici Mathematici PY - 2020 SP - 957–973 EP - 957–973 VL - 45 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2020.4552/ DO - 10.5186/aasfm.2020.4552 LA - en ID - AFM_2020_45_2_a21 ER -