%0 Journal Article %A Shomberg, Joseph %T A note on surfaces with radially symmetric nonpositive Gaussian curvature %J Mathematica Bohemica %D 2005 %P 167-176 %V 130 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.2005.134135/ %R 10.21136/MB.2005.134135 %G en %F 10_21136_MB_2005_134135