%0 Journal Article %A Shin Nayatani %T Morse index and Gauss maps of complete minimal surfaces in Euclidean 3-space. %J Commentarii mathematici Helvetici %D 1993 %P 511-537 %V 68 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1993__68_2_140315/ %F CMH_1993__68_2_140315