Iwaniec, Tadeusz.
The Beltrami equation - Providence, R.I. : American Mathematical Society, c2008. - 1 online resource (ix, 92 p.) - Memoirs of the American Mathematical Society, 1947-6221 ; .
9781470404994 (online)
The Beltrami equation - Providence, R.I. : American Mathematical Society, c2008. - 1 online resource (ix, 92 p.) - Memoirs of the American Mathematical Society, 1947-6221 ; .
9781470404994 (online)