PACS:76.60.Es, 75.50.Ee, 75.50.Gg (all) DOI:10.1070/PU1971v013n06ABEH004286 URL: https://ufn.ru/en/articles/1971/6/k/ Citation: Petrov M P, Smolenskii G A "Distribution of Spin Density and Nuclear Echo in Magnetic Crystals" Sov. Phys. Usp.13 829–830 (1971)