00309nam a2200109Ia 4500008004100000040003800041100001300079245003100092260004500123300001500168653001600183211214s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aBrand, L 0aVector and tensor analysis  bJohn Wiely and Sons, IncaNew Yorkc1947  aix, 435 p.  aMathematics