Lifting default for S1-valued maps

Petru Mironescu

Comptes Rendus. Mathématique, Volume 346 (2008) p. 1039-1044

Ginzburg–Landau minimizers with prescribed degrees: dependence on domain

Leonid Berlyand; Petru Mironescu

Comptes Rendus. Mathématique, Volume 337 (2003) p. 375-380