TY - JOUR AU - V. I. Arefiev AU - M. K. Kocherova AU - A. B. Talalaev AU - V. V. Tikhonov TI - Methods of diagnostics of characteristics of the ionosphere for a given region and correction of ionospheric models in order to improve the accuracy of predicting the propagation of radio waves of decameter range JO - Vestnik Tverskogo gosudarstvennogo universiteta. Seriâ Prikladnaâ matematika PY - 2016 SP - 33 EP - 51 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VTPMK_2016_1_a2/ LA - ru ID - VTPMK_2016_1_a2 ER -