Advanced Engineering Mathematics(Tenth Edition), Erwin Kreyszig
https://drive.google.com/file/d/0B6mCWggVFhEGRHU4V2dGdG83VHM/view?pli=1
Advanced Engineering Mathematics(Tenth Edition), Erwin Kreyszig
https://drive.google.com/file/d/0B6mCWggVFhEGRHU4V2dGdG83VHM/view?pli=1