%0 Journal Article %A V. F. Nikitin %A N. N. Smirnov %T Magnetic field diffusion into conductive semi space when the current intensity increases linearly %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1992 %P 96-100 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1992_2_a22/ %G ru %F VMUMM_1992_2_a22