%A V. V. Polishchuk %J ????????????? ??????? ?????? ????????? ???????: ????????? ??????????? ???????-?????????? ???????????? ??????????? ??? ????????? ???????? ??????????????: ???????, 15 ?????? 2015 ?. %T Methods of solving some systems of equations %D 2015 %I ???-?? ??? ??. ?. ?????? %P 123-125 %L zu219159