Experimentation and Rated Approach to Estimation Zone of Stable Inhomogeneity of the Magnetic Field in Magnetometer with the Pole Pieces-hemispheres. - Anna A. Sandulyak; Daria A. Sandulyak; Marina V. Shitikova; Alexander V. Sandulyak; Dmitriy O. Kiselev (NILES, 2023)