000 00275nam a2200109Ia 4500
008 190829s9999||||xx |||||||||||||| ||und||
100 _aFerrar, W.L
245 0 _aDifferential Calculus
260 _bClarendon Press
_aOxford
_c1956
650 _aDifferential Calculus
942 _cBK
999 _c8959
_d8959