Jiao H. A class of semilocal E-preinvex maps in Banach spaces with applications to nondifferentiable vector optimization. Int. J. Optim. Control, Theor. Appl. (IJOCTA) [Internet]. 2013 Dec. 16 [cited 2024 Apr. 19];4(1):1-10. Available from: http://ijocta.org/index.php/files/article/view/178