Kapoor, M., S. K. Suneja, and S. Sharma. “Generalized (Phi, Rho)-Convexity in Nonsmooth Vector Optimization over Cones”. An International Journal of Optimization and Control: Theories & Applications (IJOCTA), vol. 6, no. 1, Jan. 2016, pp. 1-7, doi:10.11121/ijocta.01.2016.00247.