Bixby, Robert E.2018-06-182018-06-181990-10Bixby, Robert E.. "Implementing the Simplex Method: The Initial Basis." (1990) <a href="https://hdl.handle.net/1911/101696">https://hdl.handle.net/1911/101696</a>.https://hdl.handle.net/1911/10169629 ppengImplementing the Simplex Method: The Initial BasisTechnical reportTR90-32