Narang, Ritu; Arora, S. R. An enumerative algorithm for non-linear multi-level integer programming problem. (English) Zbl 1265.90225 Yugosl. J. Oper. Res. 19, No. 2, 263-279 (2009). MSC: 90C20 Quadratic programming PDFBibTeX XMLCite \textit{R. Narang} and \textit{S. R. Arora}, Yugosl. J. Oper. Res. 19, No. 2, 263--279 (2009; Zbl 1265.90225) Full Text: DOI