00333nam a2200109Ia 4500008004100000100001600041245005900057250001300116260004300129650003500172700001600207190829s9999||||xx |||||||||||||| ||und||  aVira Dharma 0aPartial Differential Equations And Spherical Harmonics  a4 TH ED.  bKrishna Prakashan MandiraMeerutc1967  aPartial Differential Equations  aMittal, S.C