@article{oai:repository.dl.itc.u-tokyo.ac.jp:00048965, author = {IMAI, Hiroshi}, issue = {4}, journal = {IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences}, month = {Apr}, note = {Special Section PAPERĀ (Special Issue on Discrete Mathematics and Its Applications)}, pages = {669--671}, title = {On the Polynomiality of the Multiplicative Penalty Function Method for Linear Programming and Related Inscribed Ellipsoids}, volume = {E74-A}, year = {1991} }