000 00262nam a2200109Ia 4500
008 160710s1954 xx 000 0 und d
100 _aKHANNA,M.
245 _aDIFFERENTIAL EQUATION MADE EASY
260 _bMCMILLAN & CO.
_c1954
300 _a241
942 _2ddc
_cB
999 _c17847
_d17847