@article{DAN_1961_139_6_a19,
     author = {S. A. Fedulov},
     title = {Determination of {Curie} temperature for the $\mathrm{BiFeO}_3$ ferroelectric},
     journal = {Doklady Akademii Nauk},
     pages = {1345--1346},
     publisher = {mathdoc},
     volume = {139},
     number = {6},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_139_6_a19/}
}