000 00411nam a2200145Ia 4500
008 100324s9999 xx 000 0 und d
100 _aHeading J
245 _aOrdinary differential equations : problem solvers No 1
260 _c1971
_bGeorge Allen and Unwin
_aLondon
366 _b1971
520 _aFrom British Council
650 _aAccounting
942 _cBK
999 _c75462
_d75462