TY - JOUR AU - Olli Martio TI - Boundary values and injectiveness of the solutions of Beltrami equations JO - Annales Fennici Mathematici PY - 1967 VL - 391-410 UR - http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1967.402/ DO - 10.5186/aasfm.1967.402 LA - en ID - AFM_1967_391-410_a8 ER -