Helein, F.
Harmonic maps, conservation laws and moving frames - Cambridge Cambridge University Press 2002 - xxv, 264p. - Cambridge tracts in mathematics, 150. .
978-0-521-81160-6
Harmonic maps, conservation laws and moving frames - Cambridge Cambridge University Press 2002 - xxv, 264p. - Cambridge tracts in mathematics, 150. .
978-0-521-81160-6