000 00269nam a22000977a 4500
008 150902b xxu||||| |||| 00| 0 eng d
082 _a512.94 YAT
100 _aYATES ROBERT.C
245 _aDIFFERENTIAL EQUATIONS:
260 _aNEW YORK:
_bMCGRAW-HILL BOOK COMPANY,INC.,
_c1952.
999 _c1915
_d1915