%0 Journal Article %A Kanev, V. %T Principal polarizations of Prym-Tjurin varieties %J Compositio Mathematica %D 1987 %P 243-270 %V 64 %N 3 %I Martinus Nijhoff Publishers %U http://www.numdam.org/item/CM_1987__64_3_243_0/ %G en %F CM_1987__64_3_243_0