000 00344nam a2200133Ia 4500
008 211215s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aCohn, P M
245 0 _aLinear equations
260 _bRoutldge and kegan Paul
_aLondon
_c1958
300 _aviii,74 p.
653 _aMathematics
942 _c1
999 _c58719
_d58719