%0 Journal Article %A E. Yu. Bunkova %A V. M. Buchstaber %T Heat Equations and Families of Two-Dimensional Sigma Functions %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2009 %P 5-32 %V 266 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2009_266_a0/ %G ru %F TM_2009_266_a0