PDI&PDE-constrained optimization problems with curvilinear functional quotients as objective vectors. Pitea, Ariana; Udrişte, Constantin; Mititelu, Ştefan — 2009 Balkan Journal of Geometry and its Applications (BJGA)
Determination of metrics by boundary energy. Udrişte, Constantin; Pitea, Ariana; Mihăilă, Janina — 2006 Balkan Journal of Geometry and its Applications (BJGA)