@phdthesis{oai:tsukuba.repo.nii.ac.jp:00008482,
 author = {Takehara, Hitoshi and 竹原, 均},
 month = {},
 note = {In recent years, a large number of studies on interior point methods have been done since N. Karmarker proposed a polynomial-time algorithm for linear programming problems. ..., 1993},
 school = {筑波大学, University of Tsukuba},
 title = {Interior point algorithms for large-scale optimization problems and their applicaitons to portfolio selections},
 year = {1993}
}