Masakazu Kojima et al.: Sparsity in sums of squares of polynomials. (2005)journals/mp/KojimaKW0510.1007/S10107-004-0554-3Sparsity in sums of squares of polynomials.3Masakazu Kojima1Sunyoung Kim2Hayato Waki345-62Math. Program.Math. Program.10312005provenance information for RDF data of dblp record 'journals/mp/KojimaKW05'2019-09-16T14:52:12+0200