000 00281nam a2200109 4500
008 160616s 000 0
245 _aSolution of equations and systems of equations
100 _aOstrowski, A.M
500 _aB33:1 K01 K01:1
942 _cBK
_2BK4471
080 _a517.9 OST
999 _c4471
_d4471