000 002680000a22001210004500
245 _aTheory of equations
100 _aUspensky, J.V.
260 _aBombay
_bTata McGraw Hill
_c1948
300 _avii, 353p.
080 _a512.3
_bU8
041 _aEN
942 _cBK
999 _c103678
_d103678