00381nam a2200145Ia 4500003000500000008004100005020001000046040000900056041001200065082002400077100001700101245009200118260000900210650001600219NDCL180829s9999||||ii |||||||||||||| ||eng||  a11902  aNDCL  aEnglish  a517.38 BKS216th ed  aBharma, K.S. 0aPartial Differential equations an introductory treatment with applicationscK.S. Bharma  c2010  aMathematics