00361nam a2200133Ia 4500008004100000020000800041040003000049082001600079100002000095245004600115260003900161300001100200650001600211190302s9999||||xx |||||||||||||| ||und||  c560  aKharagpur College Library  a517.38bSNE  aSneddon, N. Ian  aElements Of Partial Differntial Equations  bDover PubblicasionaNew yorkc1957  a385 p.  aMathematics