%A M. Kyrychuk %J ??????????? ???????? ?????????? ??????????? ?????????? ?????? ? ????????????????? ????????: ??????? ?????????? ??? ??????????? ???????-?????????? ???????????? ??????????? ??? ????????? ???????? ??????????????: ???????, 12 ?????? 2017 ?. %T Selective extraction of cations AG+, AU3+, CU2+ from aqueous solutions the surface of the composite FE3O4/SIO2 %D 2017 %I ???????: ??????????? ??-? ????????? ?.? %L zu225456