Fritz john second-order duality for nonlinear programming. - Iqbal Husain; Norma G. Rueda; Z. Jabeen (Appl. Math. Lett., 2001)

On nondifferentiable fractional minimax programming. - Iqbal Husain; Morgan A. Hanson; Z. Jabeen (Eur. J. Oper. Res., 2005)

Continuous-time fractional minmax programming. - Iqbal Husain; Z. Jabeen (Math. Comput. Model., 2005)