000 00244pam a2200109a 44500
082 _a511.8
_bG959P3
100 _aGupta, R.
245 1 _aPRACTICAL MATHEMATICS
260 _a
_bAcademic Publications
_c1964
964 _gCIRC
997 _a29531 C
999 _c410072
_d410072