%0 Journal Article %A A. M. Bychkov %A A. V. Polosin %T Iron ion structural state in carbonate glasses from the data of M\"ossbauer spectroscopy %J Doklady Akademii Nauk %D 1988 %P 368-372 %V 303 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1988_303_2_a23/ %G ru %F DAN_1988_303_2_a23