FERROELECTRIC PHASE TRANSITIONS IN IONIC CONDUCTORS BASED ON BISMUTH VADANATE ArticlePolitova E.D., Fortal'nova E.A., Kaleva G.M., Mosunov A.V., Andronova L.I., Andropova S.A., Safronenko M.G., Venskovskii N.U.Physics of the Solid State. Том 51. 2009. С. 1443-1448
