TY - JOUR AU - E. V. Zhuzhoma AU - V. S. Medvedev AU - N. V. Isaenkova TI - On the topological structure of the magnetic field of regions of the photosphere JO - Russian journal of nonlinear dynamics PY - 2017 SP - 399 EP - 412 VL - 13 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ND_2017_13_3_a6/ LA - ru ID - ND_2017_13_3_a6 ER -