%0 Journal Article %A D. W. Henderson %T Extended Hyperbolic Surfaces in~$R^3$ %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2004 %P 267-279 %V 247 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2004_247_a19/ %G en %F TM_2004_247_a19