TY JOUR TI New capabilities of Chetaev“s model KW Magnetotelluric sounding KW geomagnetic pulsations KW impedances of layered media KW mathematical experiment JO Solar-Terrestrial Physics AU Savin, M.G. AU Izrailsky, Y.G. PY 2016 IS 2 PB Institute of Solar-Terrestrial Physics SB RAS