000 00367nam a2200169Ia 4500
082 _a515.24
_bC563.OM
100 _aChurchill, R. V.
245 _aOperational mathematics
_b
250 _a2nd, 3rd
260 _aTokyo
_bkogakusha
_c1958
300 _ax, 337p.
_cxiii, 481p.
500 _a
690 _a
700 _a
964 _a
_b
_c
_d
_e
_f
_g
921 _a12005
999 _c12005
_d12005