TY - JOUR AU - O. I. Akhmetov AU - V. S. Mingalev AU - I. V. Mingalev AU - O. V. Mingalev AU - Yu. V. Fedorenko TI - Two difference schemes for the numerical solution of Maxwell’s equations as applied to extremely and super low frequency signal propagation in the Earth-ionosphere waveguide JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 2014 SP - 1656 EP - 1677 VL - 54 IS - 10 UR - http://geodesic.mathdoc.fr/item/ZVMMF_2014_54_10_a10/ LA - ru ID - ZVMMF_2014_54_10_a10 ER -