Gorkunov E.S. Povolotskaya A.M. Zadvorkin S.M. Distribution of Magnetic Flux in a Ferromagnetic Material in the Presence of a Nonferromagnetic Gap in the Composite Circuit // Russian Journal of Nondestructive Testing. 2018. Vol. 54. No. 12. P. 861-870. DOI: 10.1134/S1061830918120069.
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