000 00297nam a2200121Ia 4500
999 _c628
_d628
020 _a8173715319
100 _aCohen,J.S.
_96556
245 _aComputer Algebra And Symbolic Computation: Mathematical Methods
250 _a0Ed
260 _bUniverisites Press
300 _a450p.
_bRs:450
490 _a0628