@article{oai:ynu.repo.nii.ac.jp:00006464, author = {Swarup, Kanti and Gupta, R. K.}, issue = {1&2}, journal = {Yokohama Mathematical Journal = 横濱市立大學紀要. D部門, 数学}, month = {}, note = {application/pdf}, pages = {39--43}, title = {CALCULUS IN NON-LINEAR PROGRAMMING PROBLEM}, volume = {14}, year = {1966} }