00289nam a2200121Ia 4500008004100000041001200041082001100053100001300064245003200077260003100109300000800140650001900148221030s9999    xx            000 0 und d  aEnglish  a105.23  aR. Gupta 0aVector Algebracby R. Gupta  bLaxmi PubaNew Delhic2012  a231  aBE Mathematics