%0 Journal Article %A L.-Q. Zhang %A G.-Q. Han %T Optimal homotopy methods for solving nonlinear systems. Part 1. Nonsingular homotopy paths. %J Numerische Mathematik %D 1993 %P 523-538 %V 65 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1993__65_4_133749/ %F NUMA_1993__65_4_133749