1.
Kawasaki T, Toyoda M, Watanabe T. THE HAHN-BANACH THEOREM AND THE SEPARATION THEOREM IN A PARTIALLY ORDERED VECTOR SPACE. J. Nonlinear Anal. Optim. [internet]. 2011 Dec. 21 [cited 2026 Sep. 2];2(1):111-7. available from: https://ph03.tci-thaijo.org/index.php/jnao/article/view/2620