000 00315nam a2200133Ia 4500
020 _a0070108552
100 _aRuel V Churchill
245 _aComplex Variables and Applications
250 _a3rd
260 _c1974
_bMGH Kogakusha
_aTokyo
300 _ax+332
700 _aJames W Brown,
_aRoger F Verhey
942 _cBK
999 _c8521
_d8521