@article{DAN_1986_289_6_a15,
     author = {A. M. Afanas'ev and V. E. Sedov},
     title = {On anomalous {M\"ossbauer} hyperfine-structure spectra of superparamagnetic
},
     journal = {Doklady Akademii Nauk},
     pages = {1350--1355},
     publisher = {mathdoc},
     volume = {289},
     number = {6},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_289_6_a15/}
}