TY - JOUR AU - Poliakovsky, Arkady TI - On a minimization problem related to lifting of BV functions with values in $ {S}^{1}$ JO - Comptes Rendus. Mathématique PY - 2004 SP - 855 EP - 860 VL - 339 IS - 12 PB - Elsevier UR - http://www.numdam.org/articles/10.1016/j.crma.2004.09.030/ DO - 10.1016/j.crma.2004.09.030 LA - en ID - CRMATH_2004__339_12_855_0 ER -