00283nam a2200133Ia 4500020000900000082000800009100003700017245003500054250000600089260003200095300000800127500000800135650000600143  aNULL  a510  aWartikar, P. N./ Waritkar, J. N. 0aElements Of Applied Mathematcs  a-  aPunebPune Vidhyarthi Gruha  a924  a357  a-