Robert M. Freund Polynomial-time algorithms for linear programming based only on primal scaling and projected gradients of a potential function. [Citation Graph (0, 0)][DBLP] Math. Program., 1991, v:51, n:, pp:203-222 [Journal]
Hoang Tuy Normal conical algorithm for concave minimization over polytopes. [Citation Graph (0, 0)][DBLP] Math. Program., 1991, v:51, n:, pp:229-245 [Journal]
Faiz A. Al-Khayyal Necessary and sufficient conditions for the existence of complementary solutions and characterizations of the matrix classes Q and Q0. [Citation Graph (0, 0)][DBLP] Math. Program., 1991, v:51, n:, pp:247-255 [Journal]
P. Alart, B. Lemaire Penalization in non-classical convex programming via variational convergence. [Citation Graph (0, 0)][DBLP] Math. Program., 1991, v:51, n:, pp:307-331 [Journal]
Bernd Luderer Directional derivative estimates for the optimal value function of a quasidifferentiable programming problem. [Citation Graph (0, 0)][DBLP] Math. Program., 1991, v:51, n:, pp:333-348 [Journal]