%0 Journal Article %A V. A. Zolotarev %T Time cones and a functional model on a Riemann surface %J Sbornik. Mathematics %D 1991 %P 399-429 %V 70 %N 2 %U http://geodesic.mathdoc.fr/item/SM_1991_70_2_a5/ %G en %F SM_1991_70_2_a5