To the 75th anniversary of A.K. Shikov. In memory of “Mister Superconductor”S.V. Shavkin, V. S. Kruglov 1-7 Cooling of HTS magnets with solid nitrogenD.I. Shutova 8-21 Study of magnetic flux relaxation in a micron-sized HTS with intrinsic and artificial pinningА. N. Мaksimova, А. N. Moroz, V. А. Kashurnikov 22-28 Power supply of superconducting systems by dynamic rotation of a three-phase fieldE.P. Krasnoperov 29-33 Spontaneous rotation of magnets levitating above high-Tc superconductorD.M. Gokhfeld, S. Yu. Shalomov, D. B. Sultimov, M. I. Petrov 34-40 No-insulation HTS coils: methods for describing electromagnetic processesD.S. Yashkin 41-52 Optimization of HTS DC and AC cables with take account longitudinal magnetic field effectV.V. Zubko, S.Yu. Zanegin, S.S. Fetisov, V.S. Vysotsky, A.A. Nosov, E.S. Otabe, T. Akasaka 53-62 Telegram journal group