00294nam a2200121Ia 4500008004100000082001400041100001800055245002000073260004200093300001300135942000700148999001700155190709s9999 xx 000 0 und d a517 L644V aLindgren, B W 0aVector calculus aNew yorkbThe macmillan companyc1964 aviii,183 cBK c40517d40517